Issue #24114: Fix an uninitialized variable in `ctypes.util`.

The bug only occurs on SunOS when the ctypes implementation searches
for the `crle` program.  Patch by Xiang Zhang.  Tested on SunOS by
Kees Bos.

Lib/ctypes/util.py

@@ -184,6 +184,7 @@ elif os.name == "posix":
             else:
                 cmd = 'env LC_ALL=C /usr/bin/crle 2>/dev/null'
 
+            paths = None
             with contextlib.closing(os.popen(cmd)) as f:
                 for line in f.readlines():
                     line = line.strip()

Misc/NEWS

@@ -256,6 +256,12 @@ Core and Builtins
 Library
 -------
 
+- Issue #24114: Fix an uninitialized variable in `ctypes.util`.
+
+  The bug only occurs on SunOS when the ctypes implementation searches
+  for the `crle` program.  Patch by Xiang Zhang.  Tested on SunOS by
+  Kees Bos.
+
 - Issue #26864: In urllib.request, change the proxy bypass host checking
   against no_proxy to be case-insensitive, and to not match unrelated host
   names that happen to have a bypassed hostname as a suffix.  Patch by Xiang