Minor updates.

src/cpu/o3/alpha_cpu.hh:
    Fix #define in header.
util/rundiff:
    Fix file comments to be more correct.
util/tracediff:
    Update comments to be more correct.

--HG--
extra : convert_revision : a28030ce8979de3d9361191c6af23743460dc53e

src/cpu/o3/alpha_cpu.hh

@@ -28,8 +28,8 @@
  * Authors: Kevin Lim
  */
 
-#ifndef __CPU_O3_ALPHA_FULL_CPU_HH__
-#define __CPU_O3_ALPHA_FULL_CPU_HH__
+#ifndef __CPU_O3_ALPHA_CPU_HH__
+#define __CPU_O3_ALPHA_CPU_HH__
 
 #include "arch/isa_traits.hh"
 #include "cpu/thread_context.hh"
@@ -431,4 +431,4 @@ class AlphaO3CPU : public FullO3CPU<Impl>
     bool lockFlag;
 };
 
-#endif // __CPU_O3_ALPHA_FULL_CPU_HH__
+#endif // __CPU_O3_ALPHA_CPU_HH__