--- ./src/VBox/GuestHost/OpenGL/include/GL/glext.h.orig	2019-08-20 13:19:54.614484642 +0200
+++ ./src/VBox/GuestHost/OpenGL/include/GL/glext.h	2019-08-20 13:21:00.405484391 +0200
@@ -4241,7 +4241,7 @@
 typedef GLboolean (APIENTRYP PFNGLISPROGRAMPROC) (GLuint program);
 typedef GLboolean (APIENTRYP PFNGLISSHADERPROC) (GLuint shader);
 typedef void (APIENTRYP PFNGLLINKPROGRAMPROC) (GLuint program);
-typedef void (APIENTRYP PFNGLSHADERSOURCEPROC) (GLuint shader, GLsizei count, const GLchar* *string, const GLint *length);
+typedef void (APIENTRYP PFNGLSHADERSOURCEPROC) (GLuint shader, GLsizei count, const GLchar *const*string, const GLint *length);
 typedef void (APIENTRYP PFNGLUSEPROGRAMPROC) (GLuint program);
 typedef void (APIENTRYP PFNGLUNIFORM1FPROC) (GLint location, GLfloat v0);
 typedef void (APIENTRYP PFNGLUNIFORM2FPROC) (GLint location, GLfloat v0, GLfloat v1);