releng: Update 4.7 dependencies with release repository

Change-Id: I23f1b31849689320208de04c110c6a4a8adc5625
Signed-off-by: Bernd Hufmann <Bernd.Hufmann@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/137641
Reviewed-by: Bernd Hufmann <bernd.hufmann@ericsson.com>
Tested-by: Bernd Hufmann <bernd.hufmann@ericsson.com>
diff --git a/releng/org.eclipse.tracecompass.target/tracecompass-e4.7.target b/releng/org.eclipse.tracecompass.target/tracecompass-e4.7.target
index 491daf6..f94c604 100644
--- a/releng/org.eclipse.tracecompass.target/tracecompass-e4.7.target
+++ b/releng/org.eclipse.tracecompass.target/tracecompass-e4.7.target
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<?pde version="3.8"?><target name="tracecompass-e4.7" sequenceNumber="18">
+<?pde version="3.8"?><target name="tracecompass-e4.7" sequenceNumber="19">
 <locations>
 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 <unit id="org.eclipse.cdt.gnu.dsf.feature.group" version="0.0.0"/>
@@ -64,7 +64,7 @@
 <unit id="org.eclipse.swt.tools.spies" version="0.0.0"/>
 <unit id="org.eclipse.ui.trace" version="0.0.0"/>
 <unit id="org.eclipse.ui.views.log" version="0.0.0"/>
-<repository location="http://download.eclipse.org/eclipse/updates/4.7/R-4.7.3-201803010715/"/>
+<repository location="http://download.eclipse.org/eclipse/updates/4.7/R-4.7.3a-201803300640/"/>
 </location>
 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 <unit id="org.eclipse.tracecompass.testtraces.tracecompass-test-traces-ctf" version="1.7.2"/>