Pacify -Wcast-function-type warnings in GCC 8.1

* src/image.c: Move attributes into DEF_DLL_FN call.
* src/dynlib.c (dynlib_addr): Use get_proc_addr.
* src/w32.h: (get_proc_addr): New function.
(LOAD_DLL_FN): Use it.
(DEF_DLL_FN): Allow function attributes after argument
list.  Add function pointer type used by LOAD_DLL_FN.
* src/w32.c (open_process_token, get_token_information)
(lookup_account_sid, get_sid_sub_authority)
(get_sid_sub_authority_count, get_security_info)
(get_file_security, set_file_security)
(set_named_security_info)
(get_security_descriptor_owner, get_security_descriptor_group)
(get_security_descriptor_dacl, is_valid_sid, equal_sid)
(get_length_sid, copy_sid, get_native_system_info)
(get_system_times, create_symbolic_link)
(is_valid_security_descriptor, convert_sd_to_sddl)
(convert_sddl_to_sd, get_adapters_info, reg_open_key_ex_w)
(reg_query_value_ex_w, expand_environment_strings_w)
(init_environment, create_toolhelp32_snapshot)
(process32_first, process32_next, open_thread_token)
(impersonate_self, revert_to_self, get_process_memory_info)
(get_process_working_set_size, global_memory_status)
(global_memory_status_ex, init_winsock)
(maybe_load_unicows_dll, globals_of_w32): Use get_proc_addr.
* src/w32fns.c (setup_w32_kbdhook, Ffile_system_info)
(get_dll_version, w32_reset_stack_overflow_guard)
(w32_backtrace, globals_of_w32fns): Use get_proc_addr.
* src/w32font.c (get_outline_metrics_w, get_text_metrics_w)
(get_glyph_outline_w, get_char_width_32_w): Use get_proc_addr.
* src/w32heap.c (init_heap): Use get_proc_addr.
* src/w32menu.c (globals_of_w32menu): Use get_proc_addr.
* src/w32proc.c (init_timers, sys_kill, w32_compare_strings):
Use get_proc_addr.
* src/w32uniscribe.c (syms_of_w32uniscribe): Use get_proc_addr.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/w32font.c b/src/w32font.c
index c2f5dc3746d..f6130618323 100644
--- a/src/w32font.c
+++ b/src/w32font.c
@@ -153,7 +153,7 @@ get_outline_metrics_w(HDC hdc, UINT cbData, LPOUTLINETEXTMETRICW lpotmw)
       hm_unicows = w32_load_unicows_or_gdi32 ();
       if (hm_unicows)
 	s_pfn_Get_Outline_Text_MetricsW = (GetOutlineTextMetricsW_Proc)
-	  GetProcAddress (hm_unicows, "GetOutlineTextMetricsW");
+	  get_proc_addr (hm_unicows, "GetOutlineTextMetricsW");
     }
   eassert (s_pfn_Get_Outline_Text_MetricsW != NULL);
   return s_pfn_Get_Outline_Text_MetricsW (hdc, cbData, lpotmw);
@@ -170,7 +170,7 @@ get_text_metrics_w(HDC hdc, LPTEXTMETRICW lptmw)
       hm_unicows = w32_load_unicows_or_gdi32 ();
       if (hm_unicows)
 	s_pfn_Get_Text_MetricsW = (GetTextMetricsW_Proc)
-	  GetProcAddress (hm_unicows, "GetTextMetricsW");
+	  get_proc_addr (hm_unicows, "GetTextMetricsW");
     }
   eassert (s_pfn_Get_Text_MetricsW != NULL);
   return s_pfn_Get_Text_MetricsW (hdc, lptmw);
@@ -188,7 +188,7 @@ get_glyph_outline_w (HDC hdc, UINT uChar, UINT uFormat, LPGLYPHMETRICS lpgm,
       hm_unicows = w32_load_unicows_or_gdi32 ();
       if (hm_unicows)
 	s_pfn_Get_Glyph_OutlineW = (GetGlyphOutlineW_Proc)
-	  GetProcAddress (hm_unicows, "GetGlyphOutlineW");
+	  get_proc_addr (hm_unicows, "GetGlyphOutlineW");
     }
   eassert (s_pfn_Get_Glyph_OutlineW != NULL);
   return s_pfn_Get_Glyph_OutlineW (hdc, uChar, uFormat, lpgm, cbBuffer,
@@ -206,7 +206,7 @@ get_char_width_32_w (HDC hdc, UINT uFirstChar, UINT uLastChar, LPINT lpBuffer)
       hm_unicows = w32_load_unicows_or_gdi32 ();
       if (hm_unicows)
 	s_pfn_Get_Char_Width_32W = (GetCharWidth32W_Proc)
-	  GetProcAddress (hm_unicows, "GetCharWidth32W");
+	  get_proc_addr (hm_unicows, "GetCharWidth32W");
     }
   eassert (s_pfn_Get_Char_Width_32W != NULL);
   return s_pfn_Get_Char_Width_32W (hdc, uFirstChar, uLastChar, lpBuffer);