Merge branch 'ab/plug-handle-path-exclude-leak'

Leakfix.

* ab/plug-handle-path-exclude-leak:
  config.c: don't leak memory in handle_path_include()

t/t1305-config-include.sh

@@ -1,6 +1,7 @@
 #!/bin/sh
 
 test_description='test config file include directives'
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 # Force setup_explicit_git_dir() to run until the end. This is needed