minor fix for mingw cross build

Fix regex that changes the command to rebuild freetype with harfbuzz for
cross building, as previous commit fixed that command.

tools/builder/mingw-cross.sh

@@ -59,7 +59,7 @@ table_line_replace DIST_CONFIGURE_OVERRIDES openssl-target "./Configure $openssl
 
 table_line_append DIST_PRE_BUILD bzip2-target ':; sed -i.bak '\''s,include <sys\\stat.h>,include <sys/stat.h>,g'\'' *.c;'
 
-table_line_replace DIST_POST_BUILD harfbuzz "$(table_line DIST_POST_BUILD harfbuzz | sed 's/rebuild_dist freetype;/rebuild_dist freetype-target;/')"
+table_line_replace DIST_POST_BUILD harfbuzz "$(table_line DIST_POST_BUILD harfbuzz | sed 's/rebuild_dist freetype /rebuild_dist freetype-target /')"
 
 table_line_append DIST_ARGS libsoxr '-DHAVE_WORDS_BIGENDIAN_EXITCODE=0'