Do not exceed the array size for maximum allowed moh files. (issue #6842)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@16534 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_musiconhold.c

@@ -778,6 +778,11 @@ static int moh_scan_files(struct mohclass *class) {
 
 		if (i == class->total_files)
 			strcpy(class->filearray[class->total_files++], filepath);
+
+		/* If the new total files is equal to the maximum allowed, stop adding new ones */
+		if (class->total_files == MAX_MOHFILES)
+			break;
+
 	}
 
 	closedir(files_DIR);