Fix build (CFLAGS) of Ruby binding.

diff --git a/src/swig/ruby/build b/src/swig/ruby/build
index fd95b1598307d59ee6ff3f46a28fcf587391680f..2fcd34f37db1a76e1c57c6134951767c5416f853 100755 (executable)
--- a/src/swig/ruby/build
+++ b/src/swig/ruby/build
@@ -6,6 +6,6 @@ if ARGV.shift == 'clean'
 end
 system( "ln -sf ../mlt.i" )
 system( "swig -c++ -ruby -I../../mlt++ -I../.. mlt.i" )
-$CFLAGS += "-I../.."
+$CFLAGS += " -I../.."
 $LDFLAGS += " -L../../mlt++ -lmlt++"
 create_makefile('mlt')