testbot/build: Tweak $PATH to make use of ccache if present.

[Francois Gouget]

Remove /usr/local/mingw, it's unneeded.
---
 testbot/bin/BuildSingleTest.pl |    2 +-
 testbot/bin/Reconfig.pl        |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/testbot/bin/BuildSingleTest.pl b/testbot/bin/BuildSingleTest.pl
index 52ff8ba..a8adc4e 100755
--- a/testbot/bin/BuildSingleTest.pl
+++ b/testbot/bin/BuildSingleTest.pl
@@ -253,7 +253,7 @@ sub BuildTestExecutable
   return 1;
 }
 
-$ENV{PATH} = "/usr/bin:/bin:/usr/local/mingw/bin:/usr/local/mingw64/bin";
+$ENV{PATH} = "/usr/lib/ccache:/usr/bin:/bin";
 delete $ENV{ENV};
 
 # Start with clean logfile
diff --git a/testbot/bin/Reconfig.pl b/testbot/bin/Reconfig.pl
index 2a75e6f..f2e07a3 100755
--- a/testbot/bin/Reconfig.pl
+++ b/testbot/bin/Reconfig.pl
@@ -103,7 +103,7 @@ sub BuildCross
   return 1;
 }
 
-$ENV{PATH} = "/usr/bin:/bin:/usr/local/mingw/bin:/usr/local/mingw64/bin";
+$ENV{PATH} = "/usr/lib/ccache:/usr/bin:/bin";
 delete $ENV{ENV};
 
 # Start with clean logfile
-- 
1.7.10.4