Mark host brk() area as reserved.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4637 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/exec.c b/exec.c
index 544e111..a2e71f0 100644
--- a/exec.c
+++ b/exec.c
@@ -234,6 +234,7 @@
         FILE *f;
         int n;
 
+        last_brk = (unsigned long)sbrk(0);
         f = fopen("/proc/self/maps", "r");
         if (f) {
             do {