Core: Join some variable declarations and assignments

Source/Core/Core/PowerPC/Jit64IL/JitIL.cpp

@@ -527,10 +527,9 @@ const u8* JitIL::DoJit(u32 em_address, PPCAnalyst::CodeBuffer *code_buf, JitBloc
 	jit->js.numLoadStoreInst = 0;
 	jit->js.numFloatingPointInst = 0;
 
-	u32 nextPC = em_address;
 	// Analyze the block, collect all instructions it is made of (including inlining,
 	// if that is enabled), reorder instructions for optimal performance, and join joinable instructions.
-	nextPC = analyzer.Analyze(em_address, &code_block, code_buf, blockSize);
+	u32 nextPC = analyzer.Analyze(em_address, &code_block, code_buf, blockSize);
 
 	PPCAnalyst::CodeOp *ops = code_buf->codebuffer;