Reset the value of ast_mainpid if we fork so future remote unix connections display the correct PID. #7098 (tzafrir reporting)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@25288 65c4cc65-6c06-0410-ace0-fbb531ad65f3

asterisk.c

@@ -2293,6 +2293,7 @@ int main(int argc, char *argv[])
 			fclose(f);
 		} else
 			ast_log(LOG_WARNING, "Unable to open pid file '%s': %s\n", (char *)ast_config_AST_PID, strerror(errno));
+		ast_mainpid = getpid();
 	}
 
 	/* Test recursive mutex locking. */