Make check-summary.py support file globbing

Fixes the following error when executing `make check-lite`:

    Traceback (most recent call last):
      File "/home/bnoordhuis/src/rust/src/etc/check-summary.py", line 27, in <module>
        map(summarise, logfiles)
      File "/home/bnoordhuis/src/rust/src/etc/check-summary.py", line 10, in summarise
        with open(fname) as fd:
    IOError: [Errno 2] No such file or directory: 'tmp/*.log'

Author: bnoordhuis

src/etc/check-summary.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 # xfail-license
 
+import glob
 import sys
 
 if __name__ == '__main__':
@@ -24,7 +25,8 @@ def summarise(fname):
     def count(t):
         return sum(map(lambda (f, s): len(s.get(t, [])), summaries))
     logfiles = sys.argv[1:]
-    map(summarise, logfiles)
+    for files in map(glob.glob, logfiles):
+        map(summarise, files)
     ok = count('ok')
     failed = count('failed')
     ignored = count('ignored')