Fix all warnings in modules/.

Fix all warnings in modules/.

2008-12-25  Behdad Esfahbod  <behdad@gnome.org>

        * modules/arabic/arabic-fc.c (arabic_engine_shape):
        * modules/arabic/arabic-lang.c (arabic_engine_break):
        * modules/basic/basic-fc.c (basic_engine_shape):
        * modules/basic/basic-x.c (find_char), (conv_8bit), (conv_eucjp),
        (conv_16bit), (conv_16bit_MSB_on), (conv_gb18030_1), (conv_euctw),
        (conv_ucs4), (basic_engine_shape), (basic_engine_covers):
        * modules/hangul/hangul-fc.c (hangul_engine_shape):
        * modules/hebrew/hebrew-fc.c (add_cluster), (fallback_shape):
        * modules/indic/indic-lang.c (indic_engine_break):
        * modules/khmer/khmer-fc.c (khmer_engine_shape):
        * modules/syriac/syriac-fc.c (syriac_engine_shape):
        * modules/thai/thai-fc.c (get_glyph_index_tis),
        (thai_engine_shape), (thai_make_unknown_glyph):
        * modules/thai/thai-lang.c (thai_engine_break):
        * modules/thai/thai-shaper.c (get_glyphs_list):
        * modules/tibetan/tibetan-fc.c (tibetan_engine_shape):
        Fix all warnings in modules/.

svn path=/trunk/; revision=2771