gmon: Reformat Makefile.

Reflow and sort Makefile.

Code generation changes present due to link order changes.

No regressions on x86_64 and i686.

gmon/Makefile

@@ -23,10 +23,25 @@ subdir	:= gmon
 
 include ../Makeconfig
 
-headers	:= sys/gmon.h sys/gmon_out.h sys/profil.h
-routines := gmon mcount profil sprofil prof-freq
-
-tests	= tst-sprofil tst-gmon tst-mcount-overflow tst-mcleanup
+headers := \
+  sys/gmon.h \
+  sys/gmon_out.h \
+  sys/profil.h \
+  # headers
+routines := \
+  gmon \
+  mcount \
+  prof-freq \
+  profil \
+  sprofil \
+  # routines
+
+tests = \
+  tst-gmon \
+  tst-mcleanup \
+  tst-mcount-overflow \
+  tst-sprofil \
+  # tests
 ifeq ($(build-profile),yes)
 tests += tst-profile-static
 tests-static += tst-profile-static