Attempt to solve bug #16615 by using a more accurate function prototype.

 src/w32fns.c (Ffile_system_info): Use WINAPI in the function
 pointers that get the address of GetDiskFreeSpaceEx.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/w32fns.c b/src/w32fns.c
index 397b1796215..b688512da88 100644
--- a/src/w32fns.c
+++ b/src/w32fns.c
@@ -7461,12 +7461,12 @@ If the underlying system call fails, value is nil.  */)
      added rather late on.  */
   {
     HMODULE hKernel = GetModuleHandle ("kernel32");
-    BOOL (*pfn_GetDiskFreeSpaceExW)
+    BOOL (WINAPI *pfn_GetDiskFreeSpaceExW)
       (wchar_t *, PULARGE_INTEGER, PULARGE_INTEGER, PULARGE_INTEGER)
-      = (void *) GetProcAddress (hKernel, "GetDiskFreeSpaceExW");
-    BOOL (*pfn_GetDiskFreeSpaceExA)
+      = GetProcAddress (hKernel, "GetDiskFreeSpaceExW");
+    BOOL (WINAPI *pfn_GetDiskFreeSpaceExA)
       (char *, PULARGE_INTEGER, PULARGE_INTEGER, PULARGE_INTEGER)
-      = (void *) GetProcAddress (hKernel, "GetDiskFreeSpaceExA");
+      = GetProcAddress (hKernel, "GetDiskFreeSpaceExA");
     bool have_pfn_GetDiskFreeSpaceEx =
       (w32_unicode_filenames && pfn_GetDiskFreeSpaceExW
        || !w32_unicode_filenames && pfn_GetDiskFreeSpaceExA);