Adds SQLCipher to the HEADER_SEARCH_PATHS of FMDB within the SQLCipher subspec.

FMDB.podspec

@@ -44,6 +44,7 @@ Pod::Spec.new do |s|
     ss.source_files = 'src/fmdb/FM*.{h,m}'
     ss.exclude_files = 'src/fmdb.m'
     ss.xcconfig = { 'OTHER_CFLAGS' => '$(inherited) -DSQLITE_HAS_CODEC -DHAVE_USLEEP=1' }
+    s.xcconfig = { 'HEADER_SEARCH_PATHS' => 'SQLCipher' }
   end
   
 end