Update include scripts

src/tools/pginclude/README

+These utilities help clean up #include file usage:
+
+pgfixinclude	change #include's to <> or ""
+pgrminclude	remove extra #include's
+pginclude [-v]	report which #include files can not compile on their own
+
+pgdefine	create macro calls for all defines in the file (used by
+		the above routines)
+
+

src/tools/pginclude/pgdefine

 :
+# create macro calls for all defines in the file
+
 trap "rm -f /tmp/$$" 0 1 2 3 15
 for FILE
 do

src/tools/pginclude/pgfixinclude

 :
-# mark includes as <> or ""
+# change #include's to <> or ""
 
 trap "rm -f /tmp/$$.c /tmp/$$.o /tmp/$$ /tmp/$$a /tmp/$$b" 0 1 2 3 15
 find . \( -name CVS -a -prune \) -o -type f -print |

src/tools/pginclude/pginclude

 :
-# report which include files can not compile on their own
+# report which #include files can not compile on their own
+# takes -v option to display compile failure message and line numbers
 
 trap "rm -f /tmp/$$.c /tmp/$$.o /tmp/$$ /tmp/$$a" 0 1 2 3 15
 find . \( -name CVS -a -prune \) -o -name '*.[ch]' -type f -print | while read FILE

src/tools/pginclude/pgnoinclude → src/tools/pginclude/pgrminclude

 :
-# report which files have extra includes
+# remove extra #include's
 
 trap "rm -f /tmp/$$.c /tmp/$$.o /tmp/$$ /tmp/$$a /tmp/$$b" 0 1 2 3 15
 find . \( -name CVS -a -prune \) -o -type f -print |