changed quotes to use syntactic sugar

Gemfile.lock

@@ -7,7 +7,7 @@ GIT
 PATH
   remote: .
   specs:
-    compass (0.11.beta.7.ac623c6)
+    compass (0.11.beta.7.fec367d)
       chunky_png (~> 1.1.0)
       fssm (~> 0.2)
       sass (>= 3.1.0.alpha.249)

lib/compass/sass_extensions/functions/gradient_support.rb

@@ -444,7 +444,7 @@ module Compass::SassExtensions::Functions::GradientSupport
     def linear_svg(color_stops, x1, y1, x2, y2)
       transform = ''
       if angle?
-        transform = " gradientTransform = \"rotate(#{position_or_angle.value})\""
+        transform = %Q{ gradientTransform = "rotate(#{position_or_angle.value})"}
       end
       gradient = %Q{<linearGradient id="grad" gradientUnits="userSpaceOnUse" x1="#{x1}" y1="#{y1}" x2="#{x2}" y2="#{y2}"#{transform}>#{color_stops_svg(color_stops)}</linearGradient>}
       svg(gradient)