Do not use deprecated Boolean constructor.

Change-Id: If317ec13ca9ae0cc9ec6d4555afd0b26a402e376
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
diff --git a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/Option.java b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/Option.java
index 8a16828..6f4d9b2 100644
--- a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/Option.java
+++ b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/Option.java
@@ -668,13 +668,13 @@
 				boolean isBuiltinEmpty = false;
 
 				if (element.getAttribute(IS_VALUE_EMPTY) != null) {
-					Boolean isEmpty = new Boolean(element.getAttribute(IS_VALUE_EMPTY));
+					Boolean isEmpty = Boolean.valueOf(element.getAttribute(IS_VALUE_EMPTY));
 					if (isEmpty.booleanValue()) {
 						isValueEmpty = true;
 					}
 				}
 				if (element.getAttribute(IS_BUILTIN_EMPTY) != null) {
-					Boolean isEmpty = new Boolean(element.getAttribute(IS_BUILTIN_EMPTY));
+					Boolean isEmpty = Boolean.valueOf(element.getAttribute(IS_BUILTIN_EMPTY));
 					if (isEmpty.booleanValue()) {
 						isBuiltinEmpty = true;
 					}