[truetype, type1] Use FT_DUP to duplicate data.

* src/truetype/ttgload.c (TT_Load_Simple_Glyph): Use concise FT_DUP.
* src/truetype/ttgxvar.c (TT_Get_MM_Var): Ditto.
* src/type1/t1load.c (parse_subrs): Ditto.

src/truetype/ttgload.c

@@ -418,11 +418,9 @@
       /* and thus allocate the bytecode array size by ourselves     */
       if ( n_ins )
       {
-        if ( FT_QNEW_ARRAY( exec->glyphIns, n_ins ) )
+        if ( FT_DUP( exec->glyphIns, p, n_ins ) )
           return error;
 
-        FT_MEM_COPY( exec->glyphIns, p, (FT_Long)n_ins );
-
         exec->glyphSize  = n_ins;
       }
     }

src/truetype/ttgxvar.c

@@ -2722,9 +2722,8 @@
       FT_UInt  n;
 
 
-      if ( FT_ALLOC( mmvar, ttface->blend->mmvar_len ) )
+      if ( FT_DUP( mmvar, ttface->blend->mmvar, ttface->blend->mmvar_len ) )
         goto Exit;
-      FT_MEM_COPY( mmvar, ttface->blend->mmvar, ttface->blend->mmvar_len );
 
       axis_flags =
         (FT_UShort*)( (char*)mmvar + mmvar_size );

src/type1/t1load.c

@@ -1877,9 +1877,8 @@
         }
 
         /* t1_decrypt() shouldn't write to base -- make temporary copy */
-        if ( FT_QALLOC( temp, size ) )
+        if ( FT_DUP( temp, base, size ) )
           goto Fail;
-        FT_MEM_COPY( temp, base, size );
         psaux->t1_decrypt( temp, size, 4330 );
         size -= (FT_ULong)t1face->type1.private_dict.lenIV;
         error = T1_Add_Table( table,
@@ -2091,9 +2090,8 @@
           }
 
           /* t1_decrypt() shouldn't write to base -- make temporary copy */
-          if ( FT_QALLOC( temp, size ) )
+          if ( FT_DUP( temp, base, size ) )
             goto Fail;
-          FT_MEM_COPY( temp, base, size );
           psaux->t1_decrypt( temp, size, 4330 );
           size -= (FT_ULong)t1face->type1.private_dict.lenIV;
           error = T1_Add_Table( code_table,