Changed "wilbur" to "wilber" for two icon files

Thanks to Tobias Ellinghaus for pointing this out.

icons/Color/color-scalable.svg

@@ -31877,7 +31877,7 @@
          style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:0;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:none;fill-opacity:1;fill-rule:nonzero;stroke:#000000;stroke-width:0.41550624;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate" />
       <g
          transform="matrix(0.33333336,0,0,0.33333336,-186.2952,973.79829)"
-         id="gimp-wilbur-48-4">
+         id="gimp-wilber-48-4">
         <g
            transform="matrix(1.0277017,0.00299891,-0.00299891,1.0277017,557.8817,185.61863)"
            id="gimp-wilber-7">

icons/Color/scalable/gimp-wilber-48.svg

@@ -18,7 +18,7 @@
    id="svg11300"
    sodipodi:version="0.32"
    inkscape:version="0.91+devel r"
-   sodipodi:docname="gimp-wilbur-48.svg"
+   sodipodi:docname="gimp-wilber-48.svg"
    version="1.0"
    viewBox="0 0 48 48">
   <defs

icons/Color/scalable/gimp-wilber-outline-48.svg

@@ -18,7 +18,7 @@
    id="svg11300"
    sodipodi:version="0.32"
    inkscape:version="0.91+devel r"
-   sodipodi:docname="gimp-wilbur-outline-48.svg"
+   sodipodi:docname="gimp-wilber-outline-48.svg"
    version="1.0"
    viewBox="0 0 48 48">
   <defs