user/libgphoto2: bump to 2.5.19

user/libgphoto2/APKBUILD

 # Maintainer: 
 pkgname=libgphoto2
-pkgver=2.5.16
-pkgrel=2
+pkgver=2.5.19
+pkgrel=0
 pkgdesc="Digital camera library"
 url="http://www.gphoto.org"
 arch="all"
@@ -46,4 +46,4 @@ package() {
 		"$pkgdir/lib/udev/rules.d/54-gphoto.rules"
 }
 
-sha512sums="7863192c2959ffc8d771eca294adc54090192e3207cf8d3a9bf143e50034c3f1248e7fe41cad75f758ab2ad09c9258d50967b921adf3223d7c74370faa110a9e  libgphoto2-2.5.16.tar.bz2"
+sha512sums="0c26613b5e6041955198760f40cf21c302eaf8d3776642cc23e527da576cae01c7dd6eccd091b4c3dd7d592fa5114378858f42fc4ec0cb8bb82791feb4c97e2c  libgphoto2-2.5.19.tar.bz2"