zbackup: don't overwrite CMAKE_BUILD_TYPE

srcpkgs/zbackup/patches/cmake-build-type-none.patch

@@ -0,0 +1,26 @@
+Index: CMakeLists.txt
+===================================================================
+--- CMakeLists.txt.orig
++++ CMakeLists.txt
+@@ -6,8 +6,6 @@ project( zbackup )
+ 
+ set( CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" )
+ 
+-set( CMAKE_BUILD_TYPE Release )
+-
+ find_package( ZLIB REQUIRED )
+ include_directories( ${ZLIB_INCLUDE_DIRS} )
+ 
+Index: tartool/CMakeLists.txt
+===================================================================
+--- tartool/CMakeLists.txt.orig
++++ tartool/CMakeLists.txt
+@@ -4,8 +4,6 @@
+ cmake_minimum_required( VERSION 2.6.0 )
+ project( tartool )
+ 
+-set( CMAKE_BUILD_TYPE Release )
+-
+ add_executable( tartool tartool.cc ../file.cc ../dir.cc )
+ 
+ install( TARGETS tartool DESTINATION bin )