Changed variable INCLUDE_FILES to HEADER_FILES in the CMakeLists

CMakeLists.txt

@@ -52,7 +52,7 @@ FOREACH(OPENGL_SUPPORT ${OPENGL_SUPPORT_LIST} )
 
     # Find all used files of certain file-types
     FILE(GLOB_RECURSE SOURCE_FILES "${CMAKE_CURRENT_SOURCE_DIR}/src/*.cc")
-    FILE(GLOB_RECURSE INCLUDE_FILES "${CMAKE_CURRENT_SOURCE_DIR}/include/*.hh")
+    FILE(GLOB_RECURSE HEADER_FILES "${CMAKE_CURRENT_SOURCE_DIR}/include/*.hh")
 
     # Add ACGL to the include path
     INCLUDE_DIRECTORIES("${CMAKE_CURRENT_SOURCE_DIR}/include")
@@ -81,7 +81,7 @@ FOREACH(OPENGL_SUPPORT ${OPENGL_SUPPORT_LIST} )
     ################################################################################
 
     # Define the Project, add all required sources and dependencies to it
-    ADD_LIBRARY(AC${OPENGL_SUPPORT}${COMPILE_POSTFIX} STATIC ${SOURCE_FILES} ${INCLUDE_FILES})
+    ADD_LIBRARY(AC${OPENGL_SUPPORT}${COMPILE_POSTFIX} STATIC ${SOURCE_FILES} ${HEADER_FILES})
     TARGET_LINK_LIBRARIES(AC${OPENGL_SUPPORT}${COMPILE_POSTFIX} ${LIBRARIES})
 ENDFOREACH()