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)

Author: brammool

src/charset.c

@@ -1907,8 +1907,7 @@ vim_str2nr(
 			pre = 0;	/* can't be octal */
 			break;
 		    }
-		    if (ptr[n] >= '0')
-			pre = '0';	/* assume octal */
+		    pre = '0';	/* assume octal */
 		    if (n == maxlen)
 			break;
 		}

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1229,
 /**/
     1228,
 /**/