fixup! mingw: allow compiling with GCC 8 and DEVELOPER=1

dscho · dscho · commit ab7ca8f9a789 · 2019-04-11T14:33:12.000+02:00
It is actually illegal to case between function and data pointers, and
it is fascinating that GCC allows that, but MSVC complains about that
when we let it be strict.

Signed-off-by: Johannes Schindelin &lt;johannes.schindelin@gmx.de&gt;
diff --git a/compat/poll/poll.c b/compat/poll/poll.c
@@ -149,7 +149,7 @@ win32_compute_revents (HANDLE h, int *p_sought)
     case FILE_TYPE_PIPE:
       if (!once_only)
 	{
-	  NtQueryInformationFile = (PNtQueryInformationFile)(void *)
+	  NtQueryInformationFile = (PNtQueryInformationFile)(void (*)(void))
 	    GetProcAddress (GetModuleHandleA ("ntdll.dll"),
 			    "NtQueryInformationFile");
 	  once_only = TRUE;

Original file line number	Diff line number	Diff line change
`@@ -149,7 +149,7 @@ win32_compute_revents (HANDLE h, int *p_sought)`
`149`	`149`	`case FILE_TYPE_PIPE:`
`150`	`150`	`if (!once_only)`
`151`	`151`	`{`
`152`		`- NtQueryInformationFile = (PNtQueryInformationFile)(void *)`
	`152`	`+ NtQueryInformationFile = (PNtQueryInformationFile)(void (*)(void))`
`153`	`153`	`GetProcAddress (GetModuleHandleA ("ntdll.dll"),`
`154`	`154`	`"NtQueryInformationFile");`
`155`	`155`	`once_only = TRUE;`