Fix up some PBX logic that became broken. The code would exit prematurely when it should have been collecting more digits.

(closes issue #11175)
Reported by: pj


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@89072 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/pbx.c

@@ -2541,12 +2541,11 @@ static int __ast_pbx_run(struct ast_channel *c)
 				pos = 0;
 				dst_exten[pos++] = digit = res;
 				dst_exten[pos] = '\0';
-			}
-			if (res == AST_PBX_KEEPALIVE) {
+			} else if (res == AST_PBX_KEEPALIVE) {
 				ast_debug(1, "Spawn extension (%s,%s,%d) exited KEEPALIVE on '%s'\n", c->context, c->exten, c->priority, c->name);
 				ast_verb(2, "Spawn extension (%s, %s, %d) exited KEEPALIVE on '%s'\n", c->context, c->exten, c->priority, c->name);
 				error = 1;
-			}
+			} else {
 				ast_debug(1, "Spawn extension (%s,%s,%d) exited non-zero on '%s'\n", c->context, c->exten, c->priority, c->name);
 				ast_verb(2, "Spawn extension (%s, %s, %d) exited non-zero on '%s'\n", c->context, c->exten, c->priority, c->name);
 				
@@ -2573,6 +2572,7 @@ static int __ast_pbx_run(struct ast_channel *c)
 					break;
 				}
 			}
+		}
 		if (error)
 			break;