silence Math::BigInt error if we do not have optional GMP

[ktdreyer]

GMP is optional to Math::BigInt. I have a patch, hopefully GitHub allows me to attach it.

[ktdreyer]

--- mysql-agent 2010-09-30 14:30:24.000000000 -0400
+++ mysql-agent 2010-09-30 15:08:03.000000000 -0400
@@ -35,7 +35,7 @@

Math::BigInt reverts to perl only

automatically if GMP is not installed

-use Math::BigInt lib => 'GMP';
+use Math::BigInt try => 'GMP';

sub new {
bless {}, shift;

[ktdreyer]

Well that was as clear as mud. Basically, replace "lib" with "try".