More little bug fixes

src/cmd/mk/unix.c

@@ -23,12 +23,20 @@ readenv(void)
 	Word *w;
 
 	for(p = environ; *p; p++){
+/* rsc 5/5/2004 -- This misparses fn#cd={whatever} 
 		s = shname(*p);
 		if(*s == '=') {
 			*s = 0;
 			w = newword(s+1);
 		} else
 			w = newword("");
+*/
+		s = strchr(*p, '=');
+		if(s){
+			*s = 0;
+			w = newword(s+1);
+		} else
+			w = newword("");
 		if (symlook(*p, S_INTERNAL, 0))
 			continue;
 		s = strdup(*p);

src/cmd/mkfile

@@ -5,7 +5,7 @@ SHORTLIB=sec fs mux regexp9 thread bio 9
 
 <$PLAN9/src/mkmany
 
-BUGGERED='CVS|faces|factotum|mailfs|scat|upas|vac|venti|lex'
+BUGGERED='CVS|faces|factotum|mailfs|scat|upas|vac|venti|lex|vncv'
 DIRS=`ls -l |sed -n 's/^d.* //p' |egrep -v "^($BUGGERED)$"`
 
 <$PLAN9/src/mkdirs

src/cmd/rc/plan9ish.c

@@ -34,7 +34,6 @@ char Fdprefix[]="/dev/fd/";
 void execfinit(void);
 void execbind(void);
 void execmount(void);
-void execnewpgrp(void);
 builtin Builtin[]={
 	"cd",		execcd,
 	"whatis",	execwhatis,