runtime: fix freebsd build

TBR=r
CC=golang-dev
https://golang.org/cl/2296041

diff --git a/src/pkg/runtime/freebsd/mem.c b/src/pkg/runtime/freebsd/mem.c
index 7dfffaec8c8120e0d972cef262582897e502a327..81e324e4f839bf870b8dabaef3687b8b506e47a0 100644 (file)
--- a/src/pkg/runtime/freebsd/mem.c
+++ b/src/pkg/runtime/freebsd/mem.c
@@ -11,7 +11,7 @@ SysAlloc(uintptr n)
        mstats.sys += n;
        v = runtime_mmap(nil, n, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_ANON|MAP_PRIVATE, -1, 0);
        if(v < (void*)4096) {
-               printf("mmap: errno=%p\n", p);
+               printf("mmap: errno=%p\n", v);
                throw("mmap");
        }
        return v;