libgphoto2: fix build: jpeg_mem_src prototype

The locally defined prototype for jpeg_mem_src() was different
from the on defined in /usr/include/jpeglib.h

srcpkgs/libgphoto2/patches/fix-jpeg_mem_src.patch

@@ -0,0 +1,22 @@
+--- camlibs/ax203/jpeg_memsrcdest.h	2015-08-08 17:57:29.000000000 +0200
++++ camlibs/ax203/jpeg_memsrcdest.h	2016-06-16 10:41:12.793951660 +0200
+@@ -1,7 +1,7 @@
+ #include <jpeglib.h>
+ 
+ void
+-jpeg_mem_src (j_decompress_ptr cinfo, unsigned char * buffer,
++jpeg_mem_src (j_decompress_ptr cinfo, const unsigned char * buffer,
+ 	unsigned long bufsize);
+ 
+ void
+--- camlibs/jl2005c/jpeg_memsrcdest.h	2015-08-08 17:57:29.000000000 +0200
++++ camlibs/jl2005c/jpeg_memsrcdest.h	2016-06-16 10:41:12.793951660 +0200
+@@ -1,7 +1,7 @@
+ #include <jpeglib.h>
+ 
+ void
+-jpeg_mem_src (j_decompress_ptr cinfo, unsigned char * buffer,
++jpeg_mem_src (j_decompress_ptr cinfo, const unsigned char * buffer,
+ 	unsigned long bufsize);
+ 
+ void

srcpkgs/libgphoto2/template

@@ -1,7 +1,7 @@
 # Template file for 'libgphoto2'
 pkgname=libgphoto2
 version=2.5.10
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--disable-static --disable-rpath udevscriptdir=/usr/lib/udev"
 hostmakedepends="automake libtool pkg-config gettext-devel"