goom: fix compilation on ios-arm7-10.9 and osx-x86_64

uint is not a standard type, and the rest of the code uses
Uint which is locally typedefed to unsigned int.

https://bugzilla.gnome.org/show_bug.cgi?id=729067

gst/goom/filters.c

@@ -731,7 +731,7 @@ generatePrecalCoef (int precalCoef[16][16])
       if (!(coefh || coefv)) {
         i = 255;
       } else {
-        uint i1, i2, i3, i4;
+        Uint i1, i2, i3, i4;
 
         i1 = diffcoeffh * diffcoeffv;
         i2 = coefh * diffcoeffv;