using a consistent naming convention for naming tactic subfolders

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>

src/tactic/arith/fm_tactic.h

@@ -0,0 +1,33 @@
+/*++
+Copyright (c) 2012 Microsoft Corporation
+
+Module Name:
+
+    fm_tactic.h
+
+Abstract:
+
+    Use Fourier-Motzkin to eliminate variables.
+    This strategy can handle conditional bounds 
+    (i.e., clauses with at most one constraint).
+    
+    The strategy mk_occf can be used to put the
+    formula in OCC form.
+
+Author:
+
+    Leonardo de Moura (leonardo) 2012-02-04.
+
+Revision History:
+
+--*/
+#ifndef _FM_TACTIC_H_
+#define _FM_TACTIC_H_
+
+#include"params.h"
+class ast_manager;
+class tactic;
+
+tactic * mk_fm_tactic(ast_manager & m, params_ref const & p = params_ref());
+
+#endif