Fix missing icon in 2.0 build

core/org.eclipse.stem.ui/plugin.xml

diff --git a/core/org.eclipse.stem.ui/plugin.xml b/core/org.eclipse.stem.ui/plugin.xml
index 3eec47b..d56028e 100644
--- a/core/org.eclipse.stem.ui/plugin.xml
+++ b/core/org.eclipse.stem.ui/plugin.xml
@@ -556,7 +556,7 @@
             </command>
              <command
                   commandId="org.eclipse.stem.ui.command.wiz.solver"
-                  icon="icons/full/customobj16/Solver.gif"
+                  icon="icons/full/customobj16/solver.gif"
                   label="%_UI_SolverWizard_label"
                   style="push"
                   tooltip="%_UI_SolverWizard_description">