Fixed compiler error I added to the matrix a moment ago.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%402302

dlib/matrix/matrix_utilities.h

@@ -1423,8 +1423,10 @@ namespace dlib
 
 // ----------------------------------------------------------------------------------------
 
+    struct op_rowm
+    {
         template <typename EXP>
-    struct op_rowm : has_destructive_aliasing
+        struct op : has_destructive_aliasing
         {
             const static long NR = 1;
             const static long NC = EXP::NC;
@@ -1439,11 +1441,12 @@ namespace dlib
             template <typename M>
             static long nc (const M& m) { return m.nc(); }
         };
+    };
 
     template <
         typename EXP
         >
-    const matrix_exp<matrix_scalar_binary_exp<matrix_exp<EXP>,long,op_rowm<EXP> > > rowm (
+    const matrix_exp<matrix_scalar_binary_exp<matrix_exp<EXP>,long,op_rowm> > rowm (
         const matrix_exp<EXP>& m,
         long row
     )
@@ -1456,14 +1459,16 @@ namespace dlib
             << "\n\trow:    " << row 
             );
 
-        typedef matrix_scalar_binary_exp<matrix_exp<EXP>,long,op_rowm<EXP> > exp;
+        typedef matrix_scalar_binary_exp<matrix_exp<EXP>,long,op_rowm> exp;
         return matrix_exp<exp>(exp(m,row));
     }
 
 // ----------------------------------------------------------------------------------------
 
+    struct op_colm
+    {
         template <typename EXP>
-    struct op_colm : has_destructive_aliasing
+        struct op : has_destructive_aliasing
         {
             const static long NR = EXP::NR;
             const static long NC = 1;
@@ -1478,11 +1483,12 @@ namespace dlib
             template <typename M>
             static long nc (const M& m) { return 1; }
         };
+    };
 
     template <
         typename EXP
         >
-    const matrix_exp<matrix_scalar_binary_exp<matrix_exp<EXP>,long,op_colm<EXP> > > colm (
+    const matrix_exp<matrix_scalar_binary_exp<matrix_exp<EXP>,long,op_colm> > colm (
         const matrix_exp<EXP>& m,
         long col 
     )
@@ -1495,7 +1501,7 @@ namespace dlib
             << "\n\tcol:    " << col 
             );
 
-        typedef matrix_scalar_binary_exp<matrix_exp<EXP>,long,op_colm<EXP> > exp;
+        typedef matrix_scalar_binary_exp<matrix_exp<EXP>,long,op_colm> exp;
         return matrix_exp<exp>(exp(m,col));
     }