statistics: chart icons look better with rounded corners

This is certainly a ridiculous bike shedding effort, but I do like this better.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

icons/chart_bar_grouped_horizontal.svg

@@ -34,6 +34,7 @@
        height="99.800003"
        x="197.10001"
        y="-99.900002"
+       ry="9.0"
        transform="rotate(90)" />
     <rect
        style="fill:#87aade;stroke:#000000;stroke-width:0.199999;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0"

icons/chart_bar_grouped_vertical.svg

@@ -33,7 +33,8 @@
        width="99.800003"
        height="99.800003"
        x="0.1"
-       y="197.10001" />
+       y="197.10001"
+       ry="9.0" />
     <rect
        style="fill:#87aade;stroke:#000000;stroke-width:0.199999;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0"
        id="rect2083"

icons/chart_bar_horizontal.svg

@@ -34,6 +34,7 @@
        height="99.800003"
        x="197.10002"
        y="-99.900002"
+       ry="9.0"
        transform="rotate(90)" />
     <rect
        style="fill:#87aade;stroke:#000000;stroke-width:0.2;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0"

icons/chart_bar_stacked_horizontal.svg

@@ -34,6 +34,7 @@
        height="99.800003"
        x="197.10002"
        y="-99.900002"
+       ry="9.0"
        transform="rotate(90)" />
     <rect
        style="fill:#87aade;stroke:#000000;stroke-width:0.2;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0"

icons/chart_bar_stacked_vertical.svg

@@ -33,7 +33,8 @@
        width="99.800003"
        height="99.800003"
        x="0.1"
-       y="197.10001" />
+       y="197.10001"
+       ry="9.0" />
     <rect
        style="fill:#87aade;stroke:#000000;stroke-width:0.2;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0"
        id="rect853"

icons/chart_bar_vertical.svg

@@ -33,7 +33,8 @@
        width="99.800003"
        height="99.800003"
        x="0.1"
-       y="197.10001" />
+       y="197.10001"
+       ry="9.0" />
     <rect
        style="fill:#87aade;stroke:#000000;stroke-width:0.2;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0"
        id="rect853"
@@ -55,12 +56,5 @@
        height="66.071342"
        x="70.099998"
        y="230.82867" />
-    <rect
-       style="fill:#87aade;stroke:#000000;stroke-width:0.2;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0"
-       id="rect2083"
-       width="19.799999"
-       height="46.130878"
-       x="10.1"
-       y="250.76913" />
   </g>
 </svg>

icons/chart_box.svg

@@ -33,7 +33,8 @@
        width="99.800003"
        height="99.800003"
        x="0.1"
-       y="197.10001" />
+       y="197.10001"
+       ry="9.0" />
     <rect
        style="fill:#87aade;fill-opacity:1;stroke:#000000;stroke-width:0.5;stroke-miterlimit:4;stroke-dasharray:none"
        id="rect2838"

icons/chart_pie.svg

@@ -34,6 +34,7 @@
        height="99.800003"
        x="197.10001"
        y="-99.900002"
+       ry="9.0"
        transform="rotate(90)" />
     <ellipse
        style="fill:#ff6600;fill-opacity:1;stroke:#000000;stroke-width:0.499999"

icons/chart_points.svg

@@ -33,7 +33,8 @@
        width="99.800003"
        height="99.800003"
        x="0.1"
-       y="197.10001" />
+       y="197.10001"
+       ry="9.0" />
     <ellipse
        style="fill:#87aade;fill-opacity:1;stroke:#000000;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none"
        id="path2784"