Index: libsm/strtol.c
===================================================================
--- libsm/strtol.c	(revision 7d0d347348dae410c7ee7f2f968771753f70fdeb)
+++ libsm/strtol.c	(revision 4d3e5a47d39eb0056a6aeb67479f419dfae3400d)
@@ -33,7 +33,9 @@
 		case '-':
 			neg++;
+			/* fall through */
 
-		case '+': /* fall-through */
+		case '+':
 			c = *++str;
+			/* fall through */
 		}
 	}