[library-web] typo fix in cmake detection

[Frederic Peters <fpeters src gnome org>]

commit ac35d2d1b88fba584a4942378352d5b62da1547d
Author: Frédéric Péters <fpeters 0d be>
Date:   Fri Apr 6 10:03:13 2018 +0200

    typo fix in cmake detection

 src/modtypes/base.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/modtypes/base.py b/src/modtypes/base.py
index 3ad7517..deee453 100644
--- a/src/modtypes/base.py
+++ b/src/modtypes/base.py
@@ -74,7 +74,7 @@ class DocModule(object):
             self.modulename = re.sub('-\d+\.\d+$', '', self.modulename)
         elif cmakelists:
             self.cmakelists = cmakelists
-            match = re.findall(r'add_gtkdoc\(([\w-]+)', s, re.DOTALL)
+            match = re.findall(r'add_gtkdoc\(([\w-]+)', cmakelists, re.DOTALL)
             assert match
             self.modulename = match[0]
         elif meson_build: