add --launcher.suppressErrors for headless Eclipse

Author: ilg-ul

tools/export/gnuarmeclipse/__init__.py

@@ -320,6 +320,7 @@ def build(project_name, log_name="build_log.txt", cleanup=True):
 
         cmd = [
             'eclipse',
+            '--launcher.suppressErrors',
             '-nosplash',
             '-application org.eclipse.cdt.managedbuilder.core.headlessbuild',
             '-data', tmp_folder,