Patch needed to fix build on openSUSE

[Vincent Untz]

For some reason I ignore, I need the attached patch to build tangering 0.3.4 with mono 2.10.6 on openSUSE. Without this, I get this error:

make[1]: Entering directory `/home/abuild/rpmbuild/BUILD/tangerine-0.3.4/Tangerine.Daemon'
Compiling tangerine-daemon.exe...
./src/EntryPoint.cs(40,39): error CS0584: Internal compiler error: Method not found: 'Tangerine.Daemon.get_ConfigSource'.
./src/EntryPoint.cs(40,39): error CS0201: Only assignment, call, increment, decrement, and new object expressions can be used as a statement
./src/EntryPoint.cs(43,24): error CS0117: `Tangerine.Daemon' does not contain a definition for `ParseConfig'
/home/abuild/rpmbuild/BUILD/tangerine-0.3.4/build/Tangerine.dll (Location of the symbol related to previous error)
./src/EntryPoint.cs(49,20): error CS0117: `Tangerine.Daemon' does not contain a definition for `Run'
/home/abuild/rpmbuild/BUILD/tangerine-0.3.4/build/Tangerine.dll (Location of the symbol related to previous error)
Compilation failed: 4 error(s), 0 warnings