Fix gfx patching on 32-bit platforms (#2213)

soh/soh/OTRGlobals.cpp

@@ -867,6 +867,11 @@ extern "C" void ResourceMgr_PatchGfxByName(const char* path, const char* patchNa
         }
     }*/
 
+    // Index refers to individual gfx words, which are half the size on 32-bit
+    if (sizeof(uintptr_t) < 8) {
+        index /= 2;
+    }
+
     Gfx* gfx = (Gfx*)&res->instructions[index];
 
     if (!originalGfx.contains(path) || !originalGfx[path].contains(patchName)) {