Linux: Fix regfree being called on invalid data

This was caused by a careless merge that did not take the differences
between the branches into account.

Regression introduced by 7c7cc59889.

Fixes #2464

CONTRIBUTORS.md

@@ -202,6 +202,7 @@ video tutorials.
  - Aleksey Rybalkin
  - Mikko Rytkönen
  - Riku Salminen
+ - Anton Samokhvalov
  - Brandon Schaefer
  - Sebastian Schuberth
  - Christian Sdunek

README.md

@@ -123,7 +123,7 @@ information on what to include when reporting a bug.
 
 ## Changelog
 
-There is nothing here yet.
+ - [Linux] Bugfix: `regfree´ was called on invalid data (#2464)
 
 
 ## Contact

src/linux_joystick.c

@@ -334,8 +334,6 @@ void _glfwTerminateJoysticksLinux(void)
             closeJoystick(js);
     }
 
-    regfree(&_glfw.linjs.regex);
-
     if (_glfw.linjs.inotify > 0)
     {
         if (_glfw.linjs.watch > 0)