nghash cleanup

ChangeLog

@@ -1,13 +1,18 @@
+2011-07-17  Robert Larice
+ * src/include/hash.h ,
+ * src/misc/hash.c :
+   nghash cleanup
+
 2011-07-18  Holger Vogt
  * cmath1.c, cmath1.h, cmath2.c, cmath2.h, parse.c, fteext.h:
    new complex functions sinh, cosh, tanh
  * evaluate.c: remove redundant call to cmath2.h
-   
+
 2011-07-10  Holger Vogt
- * main.c, ivars.c, /xspice/icm/analog/file_source/cfunc.mod: 
+ * main.c, ivars.c, /xspice/icm/analog/file_source/cfunc.mod:
    environmental variable NGSPICE_INPUT_DIR
    for additional search directory for input file
-   
+
 2011-07-10  Robert Larice
  * src/winmain.c ,
  * src/frontend/wdisp/winprint.c :