eager int cast

Author: vinay-deshmukh

libc/test/src/time/mktime_test.cpp

@@ -620,7 +620,7 @@ TEST(LlvmLibcMkTime, Max64BitYear) {
                       .tm_wday = 0,
                       .tm_yday = 0,
                       .tm_isdst = 0};
-    EXPECT_THAT((int)LIBC_NAMESPACE::mktime(&tm_data), Succeeds(6311479850));
+    EXPECT_THAT(LIBC_NAMESPACE::mktime(&tm_data), Succeeds(6311479850));
     EXPECT_TM_EQ((tm{.tm_sec = 50,
                      .tm_min = 50,
                      .tm_hour = 12,