Rename linemgr.c and linemgr.h to linemap.c and linemap.h.  The "manager"
part of linemgr is long gone, and the current naming is a little confusing.

svn path=/trunk/yasm/; revision=1701
diff --git a/libyasm.h b/libyasm.h
index 5ab8726..47af05c 100644
--- a/libyasm.h
+++ b/libyasm.h
@@ -54,7 +54,7 @@
 #include <libyasm/coretype.h>
 #include <libyasm/valparam.h>
 
-#include <libyasm/linemgr.h>
+#include <libyasm/linemap.h>
 
 #include <libyasm/errwarn.h>
 #include <libyasm/intnum.h>