mshtml: Allow '#' to be the first char of resource name in res protocol.

dlls/mshtml/protocol.c

@@ -649,7 +649,7 @@ static HRESULT WINAPI ResProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl,
     /* Ignore query and hash parts. */
     if((ptr = strchrW(url_file, '?')))
         *ptr = 0;
-    if((ptr = strchrW(url_file, '#')))
+    if(*url_file && (ptr = strchrW(url_file+1, '#')))
         *ptr = 0;
 
     hdll = LoadLibraryExW(url_dll, NULL, LOAD_LIBRARY_AS_DATAFILE);

dlls/mshtml/tests/protocol.c

@@ -606,6 +606,9 @@ static void test_res_protocol(void)
     if(GetProcAddress(LoadLibraryA("urlmon.dll"), "CreateUri")) {
         test_res_url("/test/dir/dir2/res.html?query_part");
         test_res_url("/test/dir/dir2/res.html#hash_part");
+        test_res_url("/#123");
+        test_res_url("/#23/#123");
+        test_res_url("/#123#456");
     }else {
         win_skip("IUri not supported\n");
     }

dlls/mshtml/tests/rsrc.rc

@@ -40,6 +40,9 @@ blank.html HTML "blank.html"
 /* @makedep: blank.html */
 blank2.html HTML "blank.html"
 
+/* @makedep: blank.html */
+123 HTML "blank.html"
+
 /* @makedep: test_tlb.tlb */
 1 TYPELIB test_tlb.tlb