Reorder some DEPENDS by A-Z. Add small comment

Author: ViliusSutkus89

3rdparty/packages/cairo.cmake

@@ -1,7 +1,7 @@
 include_guard(GLOBAL)
 
 ExternalProjectAutotools(cairo
-  DEPENDS libpng pixman-1 freetype glib-2.0 iconv
+  DEPENDS freetype glib-2.0 iconv libpng pixman-1
   URL https://cairographics.org/releases/cairo-1.16.0.tar.xz
   URL_HASH SHA256=5e7b29b3f113ef870d1e3ecf8adf21f923396401604bda16d44be45e66052331
 )

3rdparty/packages/libfontforge.cmake

@@ -26,13 +26,13 @@ if (ANDROID)
 endif()
 
 ExternalProjectAutotools(libfontforge
-  DEPENDS libxml-2.0 libjpeg glib-2.0 freetype zlib libintl iconv
+  DEPENDS freetype glib-2.0 iconv libintl libjpeg libxml-2.0 zlib
 
   URL https://github.com/fontforge/fontforge/releases/download/20190413/fontforge-20190413.tar.gz
   URL_HASH SHA256=6762a045aba3d6ff1a7b856ae2e1e900a08a8925ccac5ebf24de91692b206617
   CONFIGURE_ARGUMENTS ${FONTFORGE_BUILD_PROGRAMS_ARGUMENT}
 
-    # libfontforge check for TIFFRewriteField , which was deprecated in libtiff-4
+    # libfontforge checks for TIFFRewriteField , which was deprecated in libtiff-4
     # http://www.simplesystems.org/libtiff/v4.0.0.html
     --without-libtiff
     # without cairo too, because of the same libtiff error

3rdparty/packages/libopenjp2.cmake

@@ -3,10 +3,11 @@ include_guard(GLOBAL)
 message(FATAL_ERROR "libopenjp2 disabled, space saving")
 
 ExternalProjectCMake(libopenjp2
-  DEPENDS libpng libtiff-4 lcms2
+  DEPENDS lcms2 libpng libtiff-4
   URL https://github.com/uclouvain/openjpeg/archive/v2.3.1.tar.gz
   URL_HASH SHA256=63f5a4713ecafc86de51bfad89cc07bb788e9bba24ebbf0c4ca637621aadb6a9
   EXTRA_ARGUMENTS
+    # Force linking against libjpeg when linking against libtiff
     UPDATE_COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/packages/FixLibopenjp2Source.sh ${CMAKE_CURRENT_BINARY_DIR}/libopenjp2-prefix/src/libopenjp2/
     LOG_UPDATE 1
 )