b=612334; fix webgl depth-clear-value getter type; r=bjacob

content/canvas/src/WebGLContextGL.cpp

@@ -1432,7 +1432,6 @@ WebGLContext::GetParameter(PRUint32 pname, nsIVariant **retval)
         case LOCAL_GL_CULL_FACE_MODE:
         case LOCAL_GL_FRONT_FACE:
         case LOCAL_GL_ACTIVE_TEXTURE:
-        case LOCAL_GL_DEPTH_CLEAR_VALUE:
         case LOCAL_GL_STENCIL_CLEAR_VALUE:
         case LOCAL_GL_STENCIL_FUNC:
         case LOCAL_GL_STENCIL_REF:
@@ -1520,6 +1519,7 @@ WebGLContext::GetParameter(PRUint32 pname, nsIVariant **retval)
             break;
 
 // float
+        case LOCAL_GL_DEPTH_CLEAR_VALUE:
         case LOCAL_GL_LINE_WIDTH:
         case LOCAL_GL_POLYGON_OFFSET_FACTOR:
         case LOCAL_GL_POLYGON_OFFSET_UNITS: