diff --git a/[refs] b/[refs]
index b796a44734db..df3972010411 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4357bd9453b81e0a41db1dec16e06d74256b7560
+refs/heads/master: 1ef36fa64e65079de18ff5179a51af58e44d49a6
diff --git a/trunk/Documentation/lguest/lguest.c b/trunk/Documentation/lguest/lguest.c
index 0f23d67f958f..bec5a32e4095 100644
--- a/trunk/Documentation/lguest/lguest.c
+++ b/trunk/Documentation/lguest/lguest.c
@@ -486,9 +486,12 @@ static void concat(char *dst, char *args[])
 	unsigned int i, len = 0;
 
 	for (i = 0; args[i]; i++) {
+		if (i) {
+			strcat(dst+len, " ");
+			len++;
+		}
 		strcpy(dst+len, args[i]);
-		strcat(dst+len, " ");
-		len += strlen(args[i]) + 1;
+		len += strlen(args[i]);
 	}
 	/* In case it's empty. */
 	dst[len] = '\0';