Use LMEM_ flags for LocalAlloc(), not GMEM_ (GlobalAlloc).

diff --git a/dlls/mapi32/imalloc.c b/dlls/mapi32/imalloc.c
index 52ea5a7..ffe20ed 100644
--- a/dlls/mapi32/imalloc.c
+++ b/dlls/mapi32/imalloc.c
@@ -112,7 +112,7 @@
 {
     TRACE("(%p)->(%ld)\n", iface, cb);
 
-    return LocalAlloc(GMEM_FIXED, cb);
+    return LocalAlloc(LMEM_FIXED, cb);
 }
 
 /**************************************************************************
@@ -123,10 +123,10 @@
     TRACE("(%p)->(%p, %ld)\n", iface, pv, cb);
 
     if (!pv)
-        return LocalAlloc(GMEM_FIXED, cb);
+        return LocalAlloc(LMEM_FIXED, cb);
 
     if (cb)
-        return LocalReAlloc((HANDLE) pv, cb, GMEM_MOVEABLE);
+        return LocalReAlloc((HANDLE) pv, cb, LMEM_MOVEABLE);
 
     LocalFree((HANDLE) pv);
     return NULL;