Fix compilation on *nix

[Skirnir]

Rev: For rev8120

Who:Skirnir

Fix: Build on Debian testing

First EXTRA_DIST needs a `=' others a `+='

diff --git a/Makefile.am b/Makefile.am
index f26fa66..767eda7 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -21,7 +21,7 @@ SUBDIRS = dep doc sql src

## Additional files to include when running 'make dist'
# Win32 project workspace for Visual Studio .NET 2005
-EXTRA_DIST += \\
+EXTRA_DIST = \\
    win/mangosdVC80.sln \\
    win/VC80/framework.vcproj \\
    win/VC80/game.vcproj \\
@@ -43,7 +43,7 @@ EXTRA_DIST += \\
    win/VC90/g3dlite.vcproj

# Win32 project workspace for Visual Studio .NET 2010
-EXTRA_DIST = \\
+EXTRA_DIST += \\
    win/mangosdVC100.sln \\
    win/VC100/framework.vcxproj \\
    win/VC100/game.vcxproj \\

Similar patch got accepted here: http://github.com/mangos/mangos/commit/577e7619070b0923bdecccf13f00ad3320cb2bf8

Can be closed.

[VladimirMangos]

As notes simlar patch applied. Anyway thank you