errx() cleanup in installboot

[Andrey Matveev <andrushock_(_at_)_korovino_(_dot_)_net>]

Get rid of unnecessary trailing \n in error messages.

--- sys/arch/i386/stand/installboot/installboot.c.orig	Sat Aug 16 00:55:13 2003
+++ sys/arch/i386/stand/installboot/installboot.c	Sat Aug 16 00:56:09 2003
@@ -299,18 +299,18 @@
 
 	/* program load header */
 	if (eh.e_phnum != 1) {
-		errx(1, "%s: only supports one ELF load section\n", boot);
+		errx(1, "%s: only supports one ELF load section", boot);
 	}
 	phsize = eh.e_phnum * sizeof(Elf_Phdr);
 	ph = malloc(phsize);
 	if (ph == NULL) {
-		errx(1, "%s: unable to allocate program header space\n",
+		errx(1, "%s: unable to allocate program header space",
 		    boot);
 	}
-	lseek(fd,  eh.e_phoff, SEEK_SET);
+	lseek(fd, eh.e_phoff, SEEK_SET);
 
 	if (read(fd, ph, phsize) != phsize) {
-		errx(1, "%s: unable to read program header space\n", boot);
+		errx(1, "%s: unable to read program header space", boot);
 	}
 
 	tdsize = ph->p_filesz;