doc: raise doxygen lookup cache

The lookup cache size is exhausted again, bumping it from:

   131072 entries - 2^(16+1)
to 262144 entries - 2^(16+2)

See previous bump for details:
    432a0cb https://gerrit.wikimedia.org/r/69709

Change-Id: I9a15cce6f77745c4e913a562e8f1f43a4988c83d

diff --git a/maintenance/Doxyfile b/maintenance/Doxyfile
index ffc8c3b..f5141f6 100644 (file)
--- a/maintenance/Doxyfile
+++ b/maintenance/Doxyfile
@@ -82,7 +82,7 @@ INLINE_GROUPED_CLASSES = NO
 INLINE_SIMPLE_STRUCTS  = NO
 TYPEDEF_HIDES_STRUCT   = NO
 SYMBOL_CACHE_SIZE      = 0
-LOOKUP_CACHE_SIZE      = 1
+LOOKUP_CACHE_SIZE      = 2
 #---------------------------------------------------------------------------
 # Build related configuration options
 #---------------------------------------------------------------------------