Attempt to fix build in SunOS-like environments.

0001-Add-missing-cast-to-double.patch

From fcc2307568fe2a92bef6783f0937bc34552f28a2 Mon Sep 17 00:00:00 2001
From: Antonio Huete Jimenez <tuxillo@quantumachine.net>
Date: Sat, 14 Jan 2017 00:16:43 +0000
Subject: [PATCH 1/2] Add missing cast to double

---
 src/commands/CmdBurndown.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/commands/CmdBurndown.cpp b/src/commands/CmdBurndown.cpp
index 9dae59d..c54abad 100644
--- a/src/commands/CmdBurndown.cpp
+++ b/src/commands/CmdBurndown.cpp
@@ -902,7 +902,7 @@ unsigned Chart::burndown_size (unsigned ntasks)
 
   // Choose the number from here rounded up to the nearest 10% of the next
   // highest power of 10 or half of power of 10.
-  const unsigned count = (unsigned) log10 (std::numeric_limits<unsigned>::max ());
+  const unsigned count = (unsigned) log10 (static_cast<double>(std::numeric_limits<unsigned>::max ()));
   unsigned half = 500;
   unsigned full = 1000;
 
-- 
2.10.0