More deprecated usages fixed.

Author: akurtakov

rpm/org.eclipse.linuxtools.rpm.core/src/org/eclipse/linuxtools/rpm/core/utils/RPM.java

@@ -42,7 +42,7 @@ public class RPM {
 	 *            the RPM configuration to use
 	 */
 	public RPM(RPMConfiguration config) {
-		IEclipsePreferences node = new DefaultScope().getNode(RPMCorePlugin.ID);
+		IEclipsePreferences node = DefaultScope.INSTANCE.getNode(RPMCorePlugin.ID);
 		rpmCmd = node.get(IRPMConstants.RPM_CMD, ""); //$NON-NLS-1$
 		String[] tmpMacroDefines = {
 				rpmCmd,

rpm/org.eclipse.linuxtools.rpm.core/src/org/eclipse/linuxtools/rpm/core/utils/RPMBuild.java

@@ -45,7 +45,7 @@ public class RPMBuild {
 	 *            the RPM configuration to use
 	 */
 	public RPMBuild(RPMConfiguration config) {
-		IEclipsePreferences node = new DefaultScope().getNode(RPMCorePlugin.ID);
+		IEclipsePreferences node = DefaultScope.INSTANCE.getNode(RPMCorePlugin.ID);
 		rpmBuildCmd = node.get(IRPMConstants.RPMBUILD_CMD, ""); //$NON-NLS-1$
 		String[] tmpMacroDefines = {
 				rpmBuildCmd,

rpm/org.eclipse.linuxtools.rpm.core/src/org/eclipse/linuxtools/rpm/core/utils/RPMQuery.java

@@ -90,7 +90,7 @@ public static String getProvides(IFile rpmFile) throws CoreException {
 
 	private static String query(IFile rpmFile, String... args)
 			throws CoreException {
-		IEclipsePreferences node = new DefaultScope().getNode(RPMCorePlugin.ID);
+		IEclipsePreferences node = DefaultScope.INSTANCE.getNode(RPMCorePlugin.ID);
 		String rpmCmd = node.get(IRPMConstants.RPM_CMD, ""); //$NON-NLS-1$
 		List<String> command = new ArrayList<String>();
 		command.add(rpmCmd);