make sure we use case-sensative BULLET_ prefix

CMakeLists.txt

@@ -311,7 +311,7 @@ include_directories("."
     ${Boost_INCLUDE_DIR}
     ${MyGUI_INCLUDE_DIRS}
     ${OPENAL_INCLUDE_DIR}
-    ${Bullet_INCLUDE_DIRS}
+    ${BULLET_INCLUDE_DIRS}
 )
 
 link_directories(${SDL2_LIBRARY_DIRS} ${Boost_LIBRARY_DIRS})

components/CMakeLists.txt

@@ -210,7 +210,7 @@ if (CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
     endif()
 endif ()
 
-include_directories(${Bullet_INCLUDE_DIRS} ${CMAKE_CURRENT_BINARY_DIR})
+include_directories(${BULLET_INCLUDE_DIRS} ${CMAKE_CURRENT_BINARY_DIR})
 
 add_library(components STATIC ${COMPONENT_FILES} ${MOC_SRCS} ${ESM_UI_HDR})
 
@@ -229,7 +229,7 @@ target_link_libraries(components
     ${OSGGA_LIBRARIES}
     ${OSGSHADOW_LIBRARIES}
     ${OSGANIMATION_LIBRARIES}
-    ${Bullet_LIBRARIES}
+    ${BULLET_LIBRARIES}
     ${SDL2_LIBRARIES}
     ${OPENGL_gl_LIBRARY}
     ${MyGUI_LIBRARIES}