Fix the incorrect if-else macro in CMakeLists.txt
Fix the incorrect if-else macro in CMakeLists.txt

Change-Id: I9f18661dc444acb36084da42e4ebc2830f72609d

sushmaad/forestdb,couchbase/forestdb,jinxuan/forestdb,hisundar/forestdb,joliss/forestdb,yyangpan/forestdb,jinxuan/forestdb,hisundar/forestdb,sushmaad/forestdb,wurikiji/forestdb,zhaog/forestdb,couchbase/forestdb,wurikiji/forestdb,zhaog/forestdb,joliss/forestdb,yyangpan/forestdb