More space for mdb. Terminate an error message with a newline.

commands/mdb/Makefile

@@ -15,7 +15,7 @@ CC		=exec cc
 LD		=exec cc
 LDFLAGS		=-i
 TARGET		=mdb
-STACK		=100000
+STACK		=200000
 #
 # (2) If kernel and mm are not in "/usr/src" change this
 #

commands/mdb/io.c

@@ -143,6 +143,7 @@ char *m;
     outstr(m);
     outstr(": ");
     outstr(strerror(errno));   
+    outstr("\n");
 }
 
 PUBLIC void closestring()