Fixed a bunch of modules which violated the module_magic.h rule. Rev: src/modules/DVB/dvb.c:1.5 Rev: src/modules/Gdbm/gdbmmod.c:1.19 Rev: src/modules/Gmp/mpf.cmod:1.10 Rev: src/modules/Gmp/mpq.cmod:1.11 Rev: src/modules/Gmp/mpz_glue.c:1.108 Rev: src/modules/Gz/zlibmod.c:1.52 Rev: src/modules/HTTPLoop/accept_and_parse.c:1.27 Rev: src/modules/_Ffmpeg/ffmpeg.c:1.9 Rev: src/modules/_Image_FreeType/freetype.c:1.7 Rev: src/modules/_Image_GIF/image_gif.c:1.11 Rev: src/modules/_math/math.c:1.47 Rev: src/modules/files/file.c:1.241 Rev: src/modules/sprintf/sprintf.c:1.95 Rev: src/modules/system/system.c:1.125 Rev: src/post_modules/_Image_SVG/svg.c:1.5