diff -up alleggl/include/allegrogl/GLext/gl_ext_api.h~ alleggl/include/allegrogl/GLext/gl_ext_api.h
--- alleggl/include/allegrogl/GLext/gl_ext_api.h~	2008-01-04 21:39:04.000000000 +0100
+++ alleggl/include/allegrogl/GLext/gl_ext_api.h	2008-01-04 21:39:04.000000000 +0100
@@ -1824,7 +1824,7 @@ AGL_API(void, BindBufferBaseNV,  (GLenum
 AGL_API(void, TransformFeedbackAttribsNV, (GLsizei, const GLint *, GLenum))
 AGL_API(void, TransformFeedbackVaryingsNV,(GLuint, GLsizei, const GLint *, GLenum))
 AGL_API(void, BeginTransformFeedbackNV,   (GLenum))
-AGL_API(void, EndTransformFeedbackNV,     (GLvoid))
+AGL_API(void, EndTransformFeedbackNV,     (void))
 AGL_API(GLint, GetVaryingLocationNV, (GLuint, const GLchar *))
 AGL_API(void, GetActiveVaryingNV,    (GLuint, GLuint, GLsizei, GLsizei *, GLsizei *, GLenum *, GLchar *))
 AGL_API(void, ActiveVaryingNV,       (GLuint, const GLchar *))