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Protect against crash

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This commit is contained in:
rdb 2010-05-07 14:36:18 +00:00
parent da0908002c
commit d92008a76d
1 changed files with 2 additions and 0 deletions
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2
panda/src/glxdisplay/glxGraphicsStateGuardian.cxx
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@ -619,6 +619,8 @@ get_extra_extensions() {
////////////////////////////////////////////////////////////////////
void *glxGraphicsStateGuardian::
do_get_extension_func(const char *prefix, const char *name) {
nassertr(prefix != NULL, NULL);
nassertr(name != NULL, NULL);
string fullname = string(prefix) + string(name);
if (glx_get_proc_address) {