Fixed GLEW Linux build.

ThirdParty/GLEW/CMakeLists.txt

@@ -6,5 +6,8 @@ file (GLOB C_FILES *.c)
 file (GLOB H_FILES *.h)
 set (SOURCE_FILES ${C_FILES} ${H_FILES})
 
+# Define dependency libs
+set (INCLUDE_DIRS_ONLY .)
+
 # Setup target
 setup_library ()

ThirdParty/GLEW/glew.c

@@ -29,12 +29,12 @@
 ** THE POSSIBILITY OF SUCH DAMAGE.
 */
 
-#include <GL/glew.h>
+#include <glew.h>
 
 #if defined(_WIN32)
-#  include <GL/wglew.h>
+#  include <wglew.h>
 #elif !defined(__ANDROID__) && (!defined(__APPLE__) || defined(GLEW_APPLE_GLX))
-#  include <GL/glxew.h>
+#  include <glxew.h>
 #endif
 
 /*

ThirdParty/GLEW/glxew.h

@@ -97,7 +97,7 @@
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/Xmd.h>
-#include <GL/glew.h>
+#include <glew.h>
 
 #ifdef __cplusplus
 extern "C" {