package/mesa3d-headers: bump version to 17.2.0

Forgot to bump this package in
https://git.buildroot.net/buildroot/commit/package/mesa3d?id=88b5e583a3b9389159c0b008f140aaa1cf578a3c

Fixes
http://autobuild.buildroot.net/results/ef2/ef23996ba10a2143087c3ff0b7549f4acbbe6777/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/mesa3d-headers/mesa3d-headers.mk

@@ -12,7 +12,7 @@ endif
 
 # Not possible to directly refer to mesa3d variables, because of
 # first/second expansion trickery...
-MESA3D_HEADERS_VERSION = 17.1.8
+MESA3D_HEADERS_VERSION = 17.2.0
 MESA3D_HEADERS_SOURCE = mesa-$(MESA3D_HEADERS_VERSION).tar.xz
 MESA3D_HEADERS_SITE = https://mesa.freedesktop.org/archive
 MESA3D_HEADERS_LICENSE = MIT, SGI, Khronos