imm32: Fixed ImmUnlockIMCC.

dlls/imm32/imm.c

@@ -2665,6 +2665,7 @@ BOOL WINAPI ImmUnlockIMCC(HIMCC imcc)
     IMCCInternal *internal;
     internal = imcc;
 
+    if (internal->dwLock)
         internal->dwLock --;
     return (internal->dwLock!=0);
 }

dlls/imm32/tests/imm32.c

@@ -728,9 +728,9 @@ static void test_ImmGetIMCCLockCount(void)
     count = ImmGetIMCCLockCount(imcc);
     ok(count == 0, "expect 0, returned %d\n", count);
     ret = ImmUnlockIMCC(imcc);
-    todo_wine ok(ret == FALSE, "expect FALSE, ret %d\n", ret);
+    ok(ret == FALSE, "expect FALSE, ret %d\n", ret);
     count = ImmGetIMCCLockCount(imcc);
-    todo_wine ok(count == 0, "expect 0, returned %d\n", count);
+    ok(count == 0, "expect 0, returned %d\n", count);
     ImmDestroyIMCC(imcc);
 }