updated for version 7.3.819

Problem:    Compiling without +eval and with Python isn't working.
Solution:   Add the eval feature when building with Python.

src/normal.c

@@ -2292,7 +2292,9 @@ op_function(oap)
 {
 #ifdef FEAT_EVAL
     char_u	*(argv[1]);
+# ifdef FEAT_VIRTUALEDIT
     int		save_virtual_op = virtual_op;
+# endif
 
     if (*p_opfunc == NUL)
 	EMSG(_("E774: 'operatorfunc' is empty"));
@@ -2312,13 +2314,17 @@ op_function(oap)
 	else
 	    argv[0] = (char_u *)"char";
 
+# ifdef FEAT_VIRTUALEDIT
 	/* Reset virtual_op so that 'virtualedit' can be changed in the
 	 * function. */
 	virtual_op = MAYBE;
+# endif
 
 	(void)call_func_retnr(p_opfunc, 1, argv, FALSE);
 
+# ifdef FEAT_VIRTUALEDIT
 	virtual_op = save_virtual_op;
+# endif
     }
 #else
     EMSG(_("E775: Eval feature not available"));