parallels: suppress console output from parallels SDK

It is necessary to have unpolluted screen when connecting to
parallels driver via virsh.
Otherwise a lot of unexpected output one will get on the console.
Signed-off-by: NMaxim Nestratov <mnestratov@parallels.com>

src/parallels/parallels_sdk.c

@@ -205,6 +205,9 @@ prlsdkInit(void)
 {
     PRL_RESULT ret;
 
+    /* Disable console output */
+    PrlApi_SwitchConsoleLogging(0);
+
     ret = PrlApi_InitEx(PARALLELS_API_VER, PAM_SERVER, 0, 0);
     if (PRL_FAILED(ret)) {
         logPrlError(ret);