resize metronome icon to keep transport button sizes consistent

git-svn-id: svn://localhost/ardour2/branches/3.0@13467 d708f5d6-7413-0410-9779-e7cbd77b26cf

icons/metronome.svg

@@ -16,8 +16,8 @@
    inkscape:version="0.47 r22583"
    sodipodi:docname="metronome.svg"
    inkscape:export-filename="/usr/local/music/src/ardour/3.0/icons/metronome.png"
-   inkscape:export-xdpi="120.84"
-   inkscape:export-ydpi="120.84">
+   inkscape:export-xdpi="90.629997"
+   inkscape:export-ydpi="90.629997">
   <defs
      id="defs4">
     <inkscape:perspective
@@ -36,8 +36,8 @@
      inkscape:pageopacity="0"
      inkscape:pageshadow="2"
      inkscape:zoom="22.627417"
-     inkscape:cx="3.7810955"
-     inkscape:cy="10.919625"
+     inkscape:cx="3.8473868"
+     inkscape:cy="10.831237"
      inkscape:document-units="px"
      inkscape:current-layer="layer1"
      showgrid="false"