refactoring: Change to better var name

src/convert_time.c

@@ -38,8 +38,8 @@ double converter_sec_in_hour(double sec){
 
 // Converts Days in Years
 double converter_days_to_years(double days){
-    double time = days / 365;
-    return time;
+    double years = days / 365;
+    return years;
 }
 
 // convert Years in days