shell: Move SHIsFileAvailableOffline from shell.c to shlfileop.c to
ensure the 16/32 bits separation.

dlls/shell32/shell.c

diff --git a/dlls/shell32/shell.c b/dlls/shell32/shell.c
index c8a78f8..533ccdb 100644
--- a/dlls/shell32/shell.c
+++ b/dlls/shell32/shell.c
@@ -86,12 +86,6 @@
     return TRUE;
 }
 
-HRESULT WINAPI SHIsFileAvailableOffline(LPCWSTR path, LPDWORD status)
-{
-    FIXME("(%s, %p) stub\n", debugstr_w(path), status);
-    return E_FAIL;
-}
-
 /*************************************************************************
  *				DragAcceptFiles		[SHELL.9]
  */

dlls/shell32/shlfileop.c

diff --git a/dlls/shell32/shlfileop.c b/dlls/shell32/shlfileop.c
index 49fa995..977e301 100644
--- a/dlls/shell32/shlfileop.c
+++ b/dlls/shell32/shlfileop.c
@@ -151,6 +151,12 @@
 	HeapFree(GetProcessHeap(), 0, wPath);
 }
 
+HRESULT WINAPI SHIsFileAvailableOffline(LPCWSTR path, LPDWORD status)
+{
+    FIXME("(%s, %p) stub\n", debugstr_w(path), status);
+    return E_FAIL;
+}
+
 /**************************************************************************
  * SHELL_DeleteDirectory()  [internal]
  *