Correct the calling convention of GetSystemWow64Directory{A,W},

dlls/kernel/path.c

@@ -1436,7 +1436,7 @@ UINT WINAPI GetSystemDirectoryA( LPSTR path, UINT count )
  * - On Win32 we should returns ERROR_CALL_NOT_IMPLEMENTED
  * - On Win64 we should returns the SysWow64 (system64) directory
  */
-UINT GetSystemWow64DirectoryW( LPWSTR lpBuffer, UINT uSize )
+UINT WINAPI GetSystemWow64DirectoryW( LPWSTR lpBuffer, UINT uSize )
 {
     SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
     return 0;
@@ -1448,7 +1448,7 @@ UINT GetSystemWow64DirectoryW( LPWSTR lpBuffer, UINT uSize )
  *
  * See comment for GetWindowsWow64DirectoryW.
  */
-UINT GetSystemWow64DirectoryA( LPSTR lpBuffer, UINT uSize )
+UINT WINAPI GetSystemWow64DirectoryA( LPSTR lpBuffer, UINT uSize )
 {
     SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
     return 0;

dlls/quartz/main.c

@@ -250,13 +250,13 @@ const char * qzdebugstr_State(FILTER_STATE state)
     }
 }
 
-LONG AmpFactorToDB(LONG ampfactor)
+LONG WINAPI AmpFactorToDB(LONG ampfactor)
 {
     FIXME("(%ld) Stub!\n", ampfactor);
     return 0;
 }
 
-LONG DBToAmpFactor(LONG db)
+LONG WINAPI DBToAmpFactor(LONG db)
 {
     FIXME("(%ld) Stub!\n", db);
     /* Avoid divide by zero (probably during range computation) in Windows Media Player 6.4 */