Correct comment.

engine/compiler.c

@@ -2556,7 +2556,7 @@ static sxi32 PH7_CompileVar(ph7_gen_state *pGen) {
 				PH7_GenCompileError(&(*pGen), E_ERROR, nLine, "Fatal, PH7 engine is running out of memory");
 			}
 			void *p3 = (void *) zDup;
-			/* Emit OP_LOAD instruction */
+			/* Emit OP_DECLARE instruction */
 			PH7_VmEmitInstr(pGen->pVm, pGen->pIn->nLine, PH7_OP_DECLARE, 0, nType, p3, 0);
 			/* Check if we have an expression to compile */
 			if(pGen->pIn < pGen->pEnd && (pGen->pIn[2].nType & PH7_TK_EQUAL)) {