Update test-cache matching code for newline

In the test-cache code, the matching code for the "FREE" instruction
has been updated to correctly account for newline characters in the
input files used for testing.

Author: visitorckw

tests/cache/test-cache.c

@@ -61,7 +61,7 @@ int main(int argc, char *argv[])
             cache = cache_create(8);
             assert(cache);
             printf("NEW CACHE\n");
-        } else if (!strcmp(arr[0], "FREE")) {
+        } else if (!strcmp(arr[0], "FREE\n")) {
             cache_free(cache, free);
             printf("FREE CACHE\n");
         }