PPU Precompilation: Fixup MSELF duplicate check

Author: elad335

rpcs3/Emu/Cell/PPUThread.cpp

@@ -3798,13 +3798,13 @@ extern void ppu_precompile(std::vector<std::string>& dir_queue, std::vector<ppu_
 					mself_header hdr{};
 
 					if (mself.read(hdr) && hdr.get_count(mself.size()))
-					{
+					{						
+						std::set<u64> offs;
+
 						for (u32 j = 0; j < hdr.count; j++)
 						{
 							mself_record rec{};
 
-							std::set<u64> offs;
-
 							if (mself.read(rec) && rec.get_pos(mself.size()))
 							{
 								if (rec.size <= 0x20)