regedit: Correctly parse key name containing ']' when deleting/exporting.

programs/regedit/regproc.c

@@ -449,13 +449,17 @@ LPSTR getRegKeyName(LPSTR lpLine)
 
     keyNameBeg = strchr(lpLineCopy, '\\');    /* The key name start by '\' */
     if (keyNameBeg) {
+        keyNameBeg++;                             /* is not part of the name */
+
+        if (lpLine[0] == '[') /* need to find matching ']' */
+        {
             LPSTR keyNameEnd;
 
-        keyNameBeg++;                             /* is not part of the name */
             keyNameEnd = strrchr(lpLineCopy, ']');
             if (keyNameEnd) {
                 *keyNameEnd = '\0';               /* remove ']' from the key name */
             }
+        }
     } else {
         keyNameBeg = lpLineCopy + strlen(lpLineCopy); /* branch - empty string */
     }