msvcrt: Fix _mbcjistojms off by one error.

dlls/msvcrt/mbcs.c

@@ -461,7 +461,7 @@ unsigned int CDECL _mbcjistojms(unsigned int c)
       else
         c += 0x7d;
 
-      if(LOBYTE(c) > 0x7F)
+      if(LOBYTE(c) >= 0x7F)
         c += 0x1;
 
       c = (((HIBYTE(c) - 0x21)/2 + 0x81) << 8) | LOBYTE(c);

dlls/msvcrt/tests/string.c

@@ -877,11 +877,6 @@ static void test_mbcjisjms(void)
             unsigned int ret, exp;
             ret = _mbcjistojms(jisjms[j][0]);
             exp = (cp[i] == 932) ? jisjms[j][1] : jisjms[j][0];
-            if (LOBYTE(exp) == 0x80 && cp[i] == 932) {
-                todo_wine ok(ret == exp, "Expected 0x%x, got 0x%x (0x%x, codepage=%d)\n",
-                   exp, ret, jisjms[j][0], cp[i]);
-                continue;
-            }
             ok(ret == exp, "Expected 0x%x, got 0x%x (0x%x, codepage=%d)\n",
                exp, ret, jisjms[j][0], cp[i]);
         }