Changed code to avoid compile time bug.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%403830

dlib/matrix/matrix_la.h

@@ -1456,7 +1456,7 @@ convergence:
         COMPILE_TIME_ASSERT(NC == 0 || wN == 0 || NC == wN);
         COMPILE_TIME_ASSERT(NC == 0 || vN == 0 || NC == vN);
 
-        matrix<T,matrix_exp<EXP>::NC,1,MM1> W;
+        matrix<T,matrix_exp<EXP>::NC,1,MM1, L1> W;
         svd3(m,u,W,v);
         w = diagm(W);
     }