Fixed toupper/_toupper mixup.

dlls/crtdll/crtdll.spec

@@ -496,8 +496,8 @@ debug_channels (crtdll)
 @ forward time msvcrt.time
 @ forward tmpfile msvcrt.tmpfile
 @ forward tmpnam msvcrt.tmpnam
-@ forward tolower msvcrt._tolower
-@ forward toupper msvcrt._toupper
+@ forward tolower msvcrt.tolower
+@ forward toupper msvcrt.toupper
 @ forward towlower msvcrt.towlower
 @ forward towupper msvcrt.towupper
 @ forward ungetc msvcrt.ungetc

dlls/msvcrt/ctype.c

@@ -238,7 +238,7 @@ int __cdecl MSVCRT___iscsymf(int c)
  */
 int __cdecl MSVCRT__toupper(int c)
 {
-  return toupper(c);
+    return c - 0x20;  /* sic */
 }
 
 /*********************************************************************
@@ -246,5 +246,5 @@ int __cdecl MSVCRT__toupper(int c)
  */
 int __cdecl MSVCRT__tolower(int c)
 {
-  return tolower(c);
+    return c + 0x20;  /* sic */
 }

dlls/msvcrt/msvcrt.spec

@@ -731,6 +731,8 @@ debug_channels (msvcrt)
 @ cdecl time(ptr) MSVCRT_time
 @ cdecl tmpfile() MSVCRT_tmpfile
 @ cdecl tmpnam(str) MSVCRT_tmpnam
+@ cdecl tolower(long) tolower
+@ cdecl toupper(long) toupper
 @ forward towlower ntdll.towlower
 @ forward towupper ntdll.towupper
 @ stub ungetc #(long ptr)