Ugens: LinLin/LinExp fixes

LinLin and LinExp ugens expects that the rate of the first input matches
the computation rate

Signed-off-by: Tim Blechmann <tim@klingt.org>

git-svn-id: https://supercollider.svn.sourceforge.net/svnroot/supercollider/branches/3.4@10414 a380766d-ff14-0410-b294-a243070f3f08

common/build/SCClassLibrary/Common/Audio/Line.sc

@@ -17,6 +17,7 @@ XLine : UGen {
 }
 
 LinExp : UGen {
+	checkInputs { ^this.checkSameRateAsFirstInput }
 	*ar { arg in=0.0, srclo = 0.0, srchi = 1.0, dstlo = 1.0, dsthi = 2.0;
 		^this.multiNew('audio', in, srclo, srchi, dstlo, dsthi)
 	}
@@ -26,6 +27,7 @@ LinExp : UGen {
 }
 
 LinLin : UGen {
+	checkInputs { ^this.checkSameRateAsFirstInput }
 	*ar { arg in=0.0, srclo = 0.0, srchi = 1.0, dstlo = 1.0, dsthi = 2.0;
 		^this.multiNew('audio', in, srclo, srchi, dstlo, dsthi)
 	}