[Ecls-list] A minor correction to type definition for #'hash-table-count

[Ralph Campbell]

The sysfun.lsp file specifies the parameter and return value types
of the built in functions.  The definition for #'hash-table-count
can be more accurate:
        
--- src/cmp/sysfun.lsp.old      2007-01-05 20:28:48.000000000 -0800
+++ src/cmp/sysfun.lsp  2007-01-05 20:29:32.000000000 -0800
@@ -407,7 +407,7 @@
 (proclaim-function remhash (t t) t)
 (proclaim-function maphash (t t) t)
 (proclaim-function clrhash (t) t)
-(proclaim-function hash-table-count (t) t)
+(proclaim-function hash-table-count (t) fixnum)
 (proclaim-function sxhash (t) fixnum)
 (proclaim-function si:hash-set (*) t)