cmake: building nexe against zlib is only required by cgame because of freetype

Author: illwieckz

CMakeLists.txt

@@ -613,9 +613,8 @@ if ( USE_STATIC_LIBS )
     endif()
 endif()
 
-
 # zlib
-if (BUILD_CLIENT OR BUILD_TTY_CLIENT OR BUILD_SERVER OR BUILD_DUMMY_APP OR NACL)
+if (BUILD_CLIENT OR BUILD_TTY_CLIENT OR BUILD_SERVER OR BUILD_DUMMY_APP OR (NACL AND BUILD_CGAME))
     if (NOT NACL)
         find_package(ZLIB REQUIRED)
     else()