[libcalamares] Apply coding style

- minor space issues
 - drop a blank line after moc-warnings.h to avoid if being sorted
   downwards, after the MOC file it's protecting

src/libcalamares/modulesystem/InstanceKey.h

@@ -94,8 +94,7 @@ private:
     }
 };
 
-QDebug&
+QDebug& operator<<( QDebug& s, const Calamares::ModuleSystem::InstanceKey& i );
-operator <<( QDebug& s, const Calamares::ModuleSystem::InstanceKey& i );
 
 }  // namespace ModuleSystem
 }  // namespace Calamares

src/libcalamares/modulesystem/Tests.cpp

@@ -138,4 +138,5 @@ ModuleSystemTests::testBadFromStringCases()
 QTEST_GUILESS_MAIN( ModuleSystemTests )
 
 #include "utils/moc-warnings.h"
+
 #include "Tests.moc"

src/libcalamares/network/Manager.cpp

@@ -286,4 +286,5 @@ Manager::asynchronousGet( const QUrl& url, const CalamaresUtils::Network::Reques
 }  // namespace CalamaresUtils
 
 #include "utils/moc-warnings.h"
+
 #include "Manager.moc"

src/libcalamares/network/Tests.cpp

@@ -47,6 +47,7 @@ NetworkTests::testPing()
     using namespace CalamaresUtils::Network;
     Logger::setupLogLevel( Logger::LOGVERBOSE );
     auto& nam = Manager::instance();
-    auto canPing_www_kde_org = nam.synchronousPing( QUrl( "https://www.kde.org" ), RequestOptions( RequestOptions::FollowRedirect ) );
+    auto canPing_www_kde_org
+        = nam.synchronousPing( QUrl( "https://www.kde.org" ), RequestOptions( RequestOptions::FollowRedirect ) );
     QVERIFY( canPing_www_kde_org );
 }