[gbrainy] Only link to Mono.Addin assemblies if it was requestes, not if they exists

[Jordi Mas <jmas src gnome org>]

commit 6705fbd6b51204c32e6a63b3ea1d278a8ba3a5d5
Author: Jordi Mas <jmas softcatala org>
Date:   Wed Jan 6 11:42:11 2016 +0100

    Only link to Mono.Addin assemblies if it was requestes, not if they exists

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ae7cb6e..96ad795 100644
--- a/configure.ac
+++ b/configure.ac
@@ -108,7 +108,7 @@ if test "x$enable_addins" = "xyes" -a "x$enable_addins_sharp" = "xno"; then
        AC_MSG_ERROR([mono-addins was not found or is not up to date. Please install mono-addins of at least 
version $MONO_ADDINS, or disable mono-addins support by --disable-addins])
 fi
 
-if test "x$enable_addins_sharp" = "xyes"; then
+if test "x$enable_addins" = "xyes"; then
        AC_SUBST(MONO_ADDINS_LIBS)
        CSC_DEFINES="$CSC_DEFINES -d:MONO_ADDINS"
 fi