Fix a crash when running sddm as a new user

0001-Port-from-xauth-to-libXau.patch

@@ -114,7 +114,7 @@ index 7656856..46e7452 100644
  
  #include <pwd.h>
  #include <unistd.h>
-@@ -87,28 +88,57 @@ namespace SDDM {
+@@ -87,28 +88,59 @@ namespace SDDM {
      }
  
      void XorgDisplayServer::addCookie(const QString &file) {
@@ -156,14 +156,16 @@ index 7656856..46e7452 100644
 +
 +        // open the file
 +        FILE *fp = fopen(qPrintable(file), "w");
-+        if (!fp)
++        if (!fp) {
 +            qWarning() << "Opening the Xauthority file at" << file << "failed";
++            return;
++        }
  
 -        // execute xauth
 -        FILE *fp = popen(qPrintable(cmd), "w");
 +        // write the Xauth data
 +        if (!XauWriteAuth (fp, &auth) || fflush (fp) == EOF) {
-+            qCritical() << "Writing the FamilyLocal information to" << file << "failed";
++            qWarning() << "Writing the FamilyLocal information to" << file << "failed";
 +            fclose(fp);
 +            return;
 +        }
@@ -173,7 +175,7 @@ index 7656856..46e7452 100644
 +        auth.family = FamilyWild;
 +
 +        if (!XauWriteAuth (fp, &auth) || fflush (fp) == EOF) {
-+            qCritical() << "Writing the FamilyWild information to" << file << "failed";
++            qWarning() << "Writing the FamilyWild information to" << file << "failed";
 +            fclose(fp);
              return;
 -        fprintf(fp, "remove %s\n", qPrintable(m_display));

sddm.spec

@@ -2,7 +2,7 @@
 
 Name:           sddm
 Version:        0.15.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 # code GPLv2+, fedora theme CC-BY-SA
 License:        GPLv2+ and CC-BY-SA
 Summary:        QML based X11 desktop manager
@@ -217,6 +217,9 @@ exit 0
 
 
 %changelog
+* Wed Oct 04 2017 Martin Bříza <mbriza@redhat.com> - 0.15.0-2
+- Fix a crash in the libXau patch (#1492371)
+
 * Mon Sep 04 2017 Rex Dieter <rdieter@fedoraproject.org> - 0.15.0-1
 - sddm-0.15.0 (#1487460)