Update Core/Loaders.cpp
Fix crash from lastShader pointer = 0xcdcdcdcd
Merge pull request #352 from Darth1701/master

Suppress local ISO/ELF name for privacy reasons in the log
Win32: Reduce size of "prefill" allocation for the PSP memory space.
Merge pull request #353 from KentuckyCompass/crashfix1

Fix crash from lastShader pointer = 0xcdcdcdcd