Fixes unusedExceptionParameter=error in compare.core

Change-Id: I5b2782b63d1c1b4e95162fc2c09cb6efe0551f3f
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>
diff --git a/bundles/org.eclipse.compare.core/.settings/org.eclipse.jdt.core.prefs b/bundles/org.eclipse.compare.core/.settings/org.eclipse.jdt.core.prefs
index e885b5d..a176eca 100644
--- a/bundles/org.eclipse.compare.core/.settings/org.eclipse.jdt.core.prefs
+++ b/bundles/org.eclipse.compare.core/.settings/org.eclipse.jdt.core.prefs
@@ -117,7 +117,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionExemptExceptionAndThrowable=enabled
 org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionIncludeDocCommentReference=enabled
 org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionWhenOverriding=disabled
-org.eclipse.jdt.core.compiler.problem.unusedExceptionParameter=error
+org.eclipse.jdt.core.compiler.problem.unusedExceptionParameter=warning
 org.eclipse.jdt.core.compiler.problem.unusedImport=warning
 org.eclipse.jdt.core.compiler.problem.unusedLabel=warning
 org.eclipse.jdt.core.compiler.problem.unusedLocal=warning