refactoring: change to better var name

src/convert_time.c

@@ -8,8 +8,8 @@ double converter_sec_to_min(double sec){
 
 // Converts Minutes to Seconds
 double converter_min_to_sec(double min){
-    double time = min * 60;
-    return time;
+    double secs = min * 60;
+    return secs;
 }
 
 // Converts Hours to Minutes