Fix loading of .config files with empty assignments.

"CONFIG_FOO=" was broken because _strip_quotes() could not handle empty
strings.

1 files changed, 2 insertions, 0 deletions

diff --git a/kconfiglib.py b/kconfiglib.py
index 025e6cc..59373f0 100644
--- a/kconfiglib.py
+++ b/kconfiglib.py
@@ -3598,6 +3598,8 @@ def _strip_quotes(s, line, filename, linenr):
     """Removes any quotes surrounding 's' if it has them; otherwise returns 's'
     unmodified."""
     s = s.strip()
+    if not s:
+        return s
     if s[0] == '"' or s[0] == "'":
         if len(s) < 2 or s[-1] != s[0]:
             _parse_error(line,