fixed indent

FSA04/k4center.c

@@ -38,7 +38,7 @@ int main (int argc, char* argv[]) {
     int n;
     if (scanf("%d",&n) != 1) {
         printf ("error reading the number of points\n");
-	return 1;
+        return 1;
     }
 
     // read the data matrix
@@ -46,7 +46,7 @@ int main (int argc, char* argv[]) {
     for (int i=0;i<n;i++) {
         if (scanf("%lf %lf",&(data[i].x),&(data[i].y)) != 2) {
             printf ("error reading the data matrix\n");
-	    return 1;
+            return 1;
         }
     }