OpenGL: Added GL_POINT_SPRITE to juce_MissingGLDefinitions.h

modules/juce_opengl/native/juce_MissingGLDefinitions.h

@@ -96,6 +96,10 @@ enum MissingOpenGLDefinitions
     GL_MAX_ELEMENTS_INDICES         = 0x80E9,
    #endif
 
+   #ifndef GL_POINT_SPRITE
+    GL_POINT_SPRITE                 = 0x8861,
+   #endif
+
    #if JUCE_WINDOWS && ! defined (GL_TEXTURE0)
     GL_OPERAND0_RGB                 = 0x8590,
     GL_OPERAND1_RGB                 = 0x8591,