little fixes.

src/cmd/acid/main.c

diff --git a/src/cmd/acid/main.c b/src/cmd/acid/main.c
index 89bca4c..712831c 100644
--- a/src/cmd/acid/main.c
+++ b/src/cmd/acid/main.c
@@ -77,6 +77,7 @@
 	bout = &bioout;
 
 	initexpr();
+	initprint();
 	kinit();
 	initialising = 1;
 	pushfile(0);

src/cmd/acid/proc.c

diff --git a/src/cmd/acid/proc.c b/src/cmd/acid/proc.c
index 2c286e1..2f8b9dd 100644
--- a/src/cmd/acid/proc.c
+++ b/src/cmd/acid/proc.c
@@ -29,6 +29,7 @@
 	free(correg);
 	correg = nil;
 
+fprint(2, "mapproc %d\n", xpid);
 	if(mapproc(xpid, cormap, &correg) < 0)
 		error("setproc %d: %r", pid);