Index: libsm/strtol.c
===================================================================
--- libsm/strtol.c	(revision 7d0d347348dae410c7ee7f2f968771753f70fdeb)
+++ libsm/strtol.c	(revision 703d4d0d91749da8d558e9f0ec112f22d99afc32)
@@ -33,7 +33,9 @@
 		case '-':
 			neg++;
+			/* fall through */
 
-		case '+': /* fall-through */
+		case '+':
 			c = *++str;
+			/* fall through */
 		}
 	}