cmake: bump to 2.8.3

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/cmake/cmake.mk

@@ -1,4 +1,4 @@
-CMAKE_VERSION=2.8.0
+CMAKE_VERSION=2.8.3
 CMAKE_SOURCE=cmake-$(CMAKE_VERSION).tar.gz
 CMAKE_SITE=http://www.cmake.org/files/v2.8/