Remove trailing whitespace on lines in all files.
diff --git a/lib.c b/lib.c
index 864326e..6ad0549 100644
--- a/lib.c
+++ b/lib.c
@@ -488,7 +488,7 @@
 			break;
 		}
 	}
-	return i;		
+	return i;
 }
 
 void recbld(void)	/* create $0 from $1..$NF if necessary */