patch 8.0.1229: condition in vim_str2nr() is always true

Problem:    Condition in vim_str2nr() is always true. (Nikolai Pavlov)
Solution:   Remove the condition. (Closes #2259)
diff --git a/src/charset.c b/src/charset.c
index 4516816..a8b704c 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -1907,8 +1907,7 @@
 			pre = 0;	/* can't be octal */
 			break;
 		    }
-		    if (ptr[n] >= '0')
-			pre = '0';	/* assume octal */
+		    pre = '0';	/* assume octal */
 		    if (n == maxlen)
 			break;
 		}
diff --git a/src/version.c b/src/version.c
index b49c764..1da082d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1229,
+/**/
     1228,
 /**/
     1227,