Merge pull request #29 from LocutusOfBorg/bad-fix-segfault Fix for segfault when BUILD_ENGINE_C=ON and FONTS_DIR is provided, by Locutus and unC0Rr

[patterns]
**.h = native
**.c = native
**.cpp = native
**.lua = native
**.txt = native
**.pas = native
**.inc = native
**.hs = native