s/_mesa_IsProgram2/_mesa_IsProgram/

src/mesa/shader/shaderobjects.c

@@ -1234,7 +1234,7 @@ _mesa_GetShaderInfoLog(GLuint shader, GLsizei bufSize,
 }
 
 GLboolean GLAPIENTRY
-_mesa_IsProgram2(GLuint program)
+_mesa_IsProgram(GLuint program)
 {
    GET_CURRENT_CONTEXT(ctx);
    GET_GENERIC(gen, program, "glIsProgram");

src/mesa/shader/shaderobjects.h

@@ -309,7 +309,7 @@ _mesa_GetShaderInfoLog(GLuint shader, GLsizei bufSize,
                        GLsizei *length, GLchar *infoLog);
 
 extern GLboolean GLAPIENTRY
-_mesa_IsProgram2(GLuint program);
+_mesa_IsProgram(GLuint program);
 
 extern GLboolean GLAPIENTRY
 _mesa_IsShader(GLuint shader);