Prevent bad linebreak in canvas properties, fixes #186.

pd/nw/dialog_canvas.html

@@ -82,6 +82,7 @@
         <legend data-i18n="canvas.prop.heading.data_scaling"></legend> 
 <div style="display: inline-block; align: left;">
           <div class="x-scale prop hidden">
+            <nobr>
             <label class="no_gop_opt" data-i18n="[title]canvas.prop.x_scale_tt">
               <span data-i18n="canvas.prop.x_scale"></span>
               <input class="no_gop_opt" type="text" name="x-scale">
@@ -90,6 +91,7 @@
               <span data-i18n="canvas.prop.y_scale"></span>
               <input class="no_gop_opt" type="text" name="y-scale">
             </label>
+            </nobr>
           </div>
 
     <div class="gop-range">