msvcrt: Fix incorrect casts in _wcstoi64_l and _wcstoui64_l.

dlls/msvcrt/tests/string.c

@@ -2491,8 +2491,8 @@ static void test__wcstoi64(void)
     res = p_wcstoi64(digit, NULL, 10);
     ok(res == 9, "res != 9\n");
     res = p_wcstoi64(stock, &endpos, 10);
-    todo_wine ok(res == 0, "res != 0\n");
-    todo_wine ok(endpos == stock, "Incorrect endpos (%p-%p)\n", stock, endpos);
+    ok(res == 0, "res != 0\n");
+    ok(endpos == stock, "Incorrect endpos (%p-%p)\n", stock, endpos);
     res = p_wcstoi64(tamil, &endpos, 10);
     ok(res == 0, "res != 0\n");
     ok(endpos == tamil, "Incorrect endpos (%p-%p)\n", tamil, endpos);
@@ -2506,8 +2506,8 @@ static void test__wcstoi64(void)
     ures = p_wcstoui64(digit, NULL, 10);
     ok(ures == 9, "ures != 9\n");
     ures = p_wcstoui64(stock, &endpos, 10);
-    todo_wine ok(ures == 0, "ures != 0\n");
-    todo_wine ok(endpos == stock, "Incorrect endpos (%p-%p)\n", stock, endpos);
+    ok(ures == 0, "ures != 0\n");
+    ok(endpos == stock, "Incorrect endpos (%p-%p)\n", stock, endpos);
     ures = p_wcstoui64(tamil, &endpos, 10);
     ok(ures == 0, "ures != 0\n");
     ok(endpos == tamil, "Incorrect endpos (%p-%p)\n", tamil, endpos);

dlls/msvcrt/wcs.c

@@ -1395,7 +1395,7 @@ __int64 CDECL MSVCRT__wcstoi64_l(const MSVCRT_wchar_t *nptr,
     }
 
     while(*nptr) {
-        char cur = tolowerW(*nptr);
+        MSVCRT_wchar_t cur = tolowerW(*nptr);
         int v;
 
         if(isdigitW(cur)) {
@@ -1493,10 +1493,10 @@ unsigned __int64 CDECL MSVCRT__wcstoui64_l(const MSVCRT_wchar_t *nptr,
     }
 
     while(*nptr) {
-        char cur = tolowerW(*nptr);
+        MSVCRT_wchar_t cur = tolowerW(*nptr);
         int v;
 
-        if(isdigit(cur)) {
+        if(isdigitW(cur)) {
             if(cur >= '0'+base)
                 break;
             v = *nptr-'0';