Index: /trunk/src/VBox/Main/ConsoleImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/ConsoleImpl.cpp	(revision 30803)
+++ /trunk/src/VBox/Main/ConsoleImpl.cpp	(revision 30804)
@@ -1474,13 +1474,5 @@
     Utf8Str utf8Patterns(aPatterns);
     parm[0].type = VBOX_HGCM_SVC_PARM_PTR;
-    // mutableRaw() returns NULL for an empty string
-//     if ((parm[0].u.pointer.addr = utf8Patterns.mutableRaw()))
-//         parm[0].u.pointer.size = (uint32_t)utf8Patterns.length() + 1;
-//     else
-//     {
-//         parm[0].u.pointer.addr = (void*)"";
-//         parm[0].u.pointer.size = 1;
-//     }
-    parm[0].u.pointer.addr = utf8Patterns.mutableRaw();
+    parm[0].u.pointer.addr = (void*)utf8Patterns.c_str();
     parm[0].u.pointer.size = (uint32_t)utf8Patterns.length() + 1;