[wasm] Quickfix for register allocation problem on ia32.

R=ahaas@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1806533002

Cr-Commit-Position: refs/heads/master@{#34791}

src/compiler/wasm-linkage.cc

@@ -58,7 +58,7 @@ LinkageLocation stackloc(int i) {
 // ===========================================================================
 // == ia32 ===================================================================
 // ===========================================================================
-#define GP_PARAM_REGISTERS eax, edx, ecx, ebx, esi
+#define GP_PARAM_REGISTERS eax, edx, ecx, ebx
 #define GP_RETURN_REGISTERS eax, edx
 #define FP_PARAM_REGISTERS xmm1, xmm2, xmm3, xmm4, xmm5, xmm6
 #define FP_RETURN_REGISTERS xmm1, xmm2