graphite2: add freetype to DEPENDS
graphite2: add freetype to DEPENDS

fixes:

| /usr/src/graphite2/tests/examples/freetype.c:14: error: undefined reference to 'FT_Load_Sfnt_Table'
| /usr/src/graphite2/tests/examples/freetype.c:18: error: undefined reference to 'FT_Load_Sfnt_Table'
| /usr/src/graphite2/tests/examples/freetype.c:31: error: undefined reference to 'FT_Load_Glyph'
| /usr/src/graphite2/tests/examples/freetype.c:53: error: undefined reference to 'FT_Init_FreeType'
| /usr/src/graphite2/tests/examples/freetype.c:54: error: undefined reference to 'FT_New_Face'
| /usr/src/graphite2/tests/examples/freetype.c:55: error: undefined reference to 'FT_Set_Char_Size'
| /usr/src/graphite2/tests/examples/freetype.c:74: error: undefined reference to 'FT_Done_Face'
| /usr/src/graphite2/tests/examples/freetype.c:75: error: undefined reference to 'FT_Done_FreeType'
| collect2: error: ld returned 1 exit status

Signed-off-by: Andreas Müller <d72a15aaaca3a7afa855175c72dc8d2e05931e32@googlemail.com>

schnitzeltony/meta-office,schnitzeltony/meta-libreoffice