MAINT-810 Fix for crash in LLRenderTarget when exiting wireframe render mode after resizing window.
MAINT-810 Fix for crash in LLRenderTarget when exiting wireframe render mode after resizing window.

gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm