Minor file.c cleanup for valgrind, log PRI event properly

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@2189 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_zap.c

@@ -6661,7 +6661,7 @@ static void *pri_dchannel(void *vpri)
 			x = 0;
 			res = ioctl(pri->fd, ZT_GETEVENT, &x);
 			if (x) 
-				printf("PRI got event: %d\n", x);
+				ast_log(LOG_NOTICE, "PRI got event: %d on span %d\n", x, pri->span);
 			if (option_debug)
 				ast_log(LOG_DEBUG, "Got event %s (%d) on D-channel for span %d\n", event2str(x), x, pri->span);
 		}

file.c

@@ -274,7 +274,7 @@ static int copy(char *infile, char *outfile)
 static char *build_filename(char *filename, char *ext)
 {
 	char *fn;
-	char tmp[AST_CONFIG_MAX_PATH];
+	char tmp[AST_CONFIG_MAX_PATH]="";
 	snprintf(tmp,sizeof(tmp)-1,"%s/%s",(char *)ast_config_AST_VAR_DIR,"sounds");
 	fn = malloc(strlen(tmp) + strlen(filename) + strlen(ext) + 10);
 	if (fn) {