libs/libgd: Update to 2.2.4

Update libgd to 2.2.4
Fixes multiple CVEs
Refresh patches
Update list according to:
https://svnweb.freebsd.org/ports/head/graphics/gd/pkg-plist?revision=432648&view=markup
...except helpers as it's not generated.

Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>

libs/libgd/patches/101-gdlib-config.patch

@@ -1,6 +1,6 @@
 --- a/config/gdlib-config.in
 +++ b/config/gdlib-config.in
-@@ -71,7 +71,7 @@ while test $# -gt 0; do
+@@ -74,7 +74,7 @@ while test $# -gt 0; do
  	echo @LDFLAGS@
  	;;
      --libs)
@@ -9,7 +9,7 @@
  	;;
      --cflags|--includes)
  	echo -I@includedir@
-@@ -84,7 +84,7 @@ while test $# -gt 0; do
+@@ -87,7 +87,7 @@ while test $# -gt 0; do
  	echo "includedir: $includedir"
  	echo "cflags:     -I@includedir@"
  	echo "ldflags:    @LDFLAGS@"

libs/libgd/patches/102-gdlib-pc-in.patch

@@ -0,0 +1,9 @@
+--- a/config/gdlib.pc.in
++++ b/config/gdlib.pc.in
+@@ -7,5 +7,5 @@ Name: gd
+ Description: GD graphics library
+ Version: @VERSION@
+ Cflags: -I${includedir}
+-Libs.private: @LIBS@ @LIBICONV@
++Libs.private: @LIBS@ 
+ Libs: -L${libdir} -lgd

libs/libgd/patches/200-uclibc-ceill.patch

@@ -1,6 +1,6 @@
 --- a/src/gd_bmp.c
 +++ b/src/gd_bmp.c
-@@ -21,6 +21,7 @@
+@@ -28,6 +28,7 @@
  #include <math.h>
  #include <string.h>
  #include <stdlib.h>
@@ -8,7 +8,7 @@
  #include "gd.h"
  #include "gdhelpers.h"
  #include "bmp.h"
-@@ -42,6 +43,13 @@ static int bmp_read_rle(gdImagePtr im, g
+@@ -49,6 +50,13 @@ static int bmp_read_rle(gdImagePtr im, g
  
  #define BMP_DEBUG(s)