# 
# 
# patch "revision.cc"
#  from [bff899afb15347ee83614fe090f8838f918f52cf]
#    to [99d7804b784e245f65fea75cd1ea7d2a025ce913]
# 
============================================================
--- revision.cc	bff899afb15347ee83614fe090f8838f918f52cf
+++ revision.cc	99d7804b784e245f65fea75cd1ea7d2a025ce913
@@ -53,7 +53,7 @@
     {
       // no particular checks to be done right now
     }
-  if (edges.size() == 2)
+  else if (edges.size() == 2)
     {
       // merge nodes cannot have null revisions
       for (edge_map::const_iterator i = edges.begin(); i != edges.end(); ++i)