gas/write.c use better types

[Alan Modra <amodra@gmail.com>]

A tiny tidy.

	* write.c (frags_chained): Make it a bool.
	(n_fixups): Make it unsigned.

diff --git a/gas/write.c b/gas/write.c
index 8273b7a42f1..4ce6f997caa 100644
--- a/gas/write.c
+++ b/gas/write.c
@@ -124,9 +124,9 @@ void print_fixup (fixS *);
    chained these all together into a segment, any relocs we add after
    that must be attached to a segment.  This will include relocs added
    in md_estimate_size_for_relax, for example.  */
-static int frags_chained = 0;
+static bool frags_chained = false;
 
-static int n_fixups;
+static unsigned int n_fixups;
 
 #define RELOC_ENUM enum bfd_reloc_code_real
 
@@ -416,7 +416,7 @@ chain_frchains_together (bfd *abfd ATTRIBUTE_UNUSED,
 
   /* Now that we've chained the frags together, we must add new fixups
      to the segment, not to the frag chain.  */
-  frags_chained = 1;
+  frags_chained = true;
 }
 
 static void

-- 
Alan Modra
Australia Development Lab, IBM