workaround build failure

http://bugs.gentoo.org/216368

--- a/gdb/frv-tdep.c
+++ b/gdb/frv-tdep.c
@@ -32,7 +32,7 @@
 #include "gdb_assert.h"
 #include "sim-regno.h"
 #include "gdb/sim-frv.h"
-#include "opcodes/frv-desc.h"	/* for the H_SPR_... enums */
+#include "../opcodes/frv-desc.h"	/* for the H_SPR_... enums */
 #include "symtab.h"
 #include "elf-bfd.h"
 #include "elf/frv.h"
--- a/gdb/mep-tdep.c
+++ b/gdb/mep-tdep.c
@@ -53,8 +53,8 @@
 
 /* Get the user's customized MeP coprocessor register names from
    libopcodes.  */
-#include "opcodes/mep-desc.h"
-#include "opcodes/mep-opc.h"
+#include "../opcodes/mep-desc.h"
+#include "../opcodes/mep-opc.h"
 
 
 /* The gdbarch_tdep structure.  */
--- a/gdb/lm32-tdep.c	2010-01-04 13:54:12.506587093 +0100
+++ b/gdb/lm32-tdep.c	2010-01-04 13:54:28.042711987 +0100
@@ -35,7 +35,7 @@
 #include "regcache.h"
 #include "trad-frame.h"
 #include "reggroups.h"
-#include "opcodes/lm32-desc.h"
+#include "../opcodes/lm32-desc.h"
 
 #include "gdb_string.h"