msvcrt: Don't forward strchr to ntdll.

dlls/msvcrt/msvcrt.spec

@@ -1411,7 +1411,7 @@
 @ varargs sscanf_s(str str) MSVCRT_sscanf_s
 @ cdecl strcat(str str) ntdll.strcat
 @ cdecl strcat_s(str long str) MSVCRT_strcat_s
-@ cdecl strchr(str long) ntdll.strchr
+@ cdecl strchr(str long) MSVCRT_strchr
 @ cdecl strcmp(str str) ntdll.strcmp
 @ cdecl strcoll(str str) MSVCRT_strcoll
 @ cdecl strcpy(ptr str) ntdll.strcpy

dlls/msvcrt/string.c

@@ -1575,6 +1575,14 @@ void* __cdecl MSVCRT_memset(void *dst, int c, MSVCRT_size_t n)
 }
 
 /*********************************************************************
+ *		    strchr (MSVCRT.@)
+ */
+char* __cdecl MSVCRT_strchr(const char *str, int c)
+{
+    return strchr(str, c);
+}
+
+/*********************************************************************
  *                  _strnicmp_l   (MSVCRT.@)
  */
 int __cdecl MSVCRT__strnicmp_l(const char *s1, const char *s2,