Fixed some signed / unsigned pointer casts.

dlls/msacm/imaadp32/imaadp32.c

@@ -372,7 +372,7 @@ static	void cvtSS16imaK(PACMDRVSTREAMINSTANCE adsi,
 
     for (; nblock > 0; nblock--)
     {
-        char*   in_dst = dst;
+        unsigned char*   in_dst = dst;
 
         /* generate header */
     	sampleL = R16(src);  src += 2;
@@ -435,7 +435,7 @@ static	void cvtMM16imaK(PACMDRVSTREAMINSTANCE adsi,
 
     for (; nblock > 0; nblock--)
     {
-        char*   in_dst = dst;
+        unsigned char*   in_dst = dst;
 
         /* generate header */
         /* FIXME: what about the last effective sample from previous block ??? */

dlls/msvcrt/mbcs.c

@@ -112,9 +112,9 @@ unsigned int _mbctoupper(unsigned int c)
 unsigned char* _mbsdec(const unsigned char* start, const unsigned char* cur)
 {
   if(MSVCRT___mb_cur_max > 1)
-    return (char *)(_ismbstrail(start,cur-1) ? cur - 2 : cur -1);
+    return (unsigned char *)(_ismbstrail(start,cur-1) ? cur - 2 : cur -1);
 
-  return (char *)cur - 1; /* ASCII CP or SB char */
+  return (unsigned char *)cur - 1; /* ASCII CP or SB char */
 }
 
 /*********************************************************************

programs/winecfg/winecfg.c

@@ -125,7 +125,7 @@ static char *get_config_key (char *subkey, char *name, char *def)
 end:
     if (hSubKey) RegCloseKey(hSubKey);
 
-    return buffer;
+    return (char*)buffer;
 }
 
 /**