Windows build: fix libstdc++-6 DLL error

This may be a hack, but I have no clue how to fix it otherwise...

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@20445 57a11ea4-9604-0410-9ed3-97b8803252fd

packaging/win32/install-impl.sh

@@ -910,7 +910,7 @@ function inst_libofx() {
 #                aclocal ${ACLOCAL_FLAGS}
 #                automake
 #                autoconf
-#					ACLOCAL="aclocal $ACLOCAL_FLAGS" autoreconf -fvi $ACLOCAL_FLAGS -B $_AUTOTOOLS_UDIR/share/autoconf/autoconf
+#                ACLOCAL="aclocal $ACLOCAL_FLAGS" autoreconf -fvi $ACLOCAL_FLAGS -B $_AUTOTOOLS_UDIR/share/autoconf/autoconf
             fi
             ./configure ${HOST_XCOMPILE} \
                 --prefix=${_LIBOFX_UDIR} \
@@ -1413,6 +1413,13 @@ function make_install() {
 
     make install
 
+    qpushd $_INSTALL_UDIR/bin
+        # Copy libstdc++-6.dll and its dependency to gnucash bin directory
+        # to prevent DLL loading errors
+        # (__gxx_personality_v0 not found in libstdc++-6.dll)
+        cp $MINGW_DIR/bin/{libstdc++-6.dll,libgcc_s_dw2-1.dll} .
+    qpopd
+
     qpushd $_INSTALL_UDIR/lib
         # Move modules that are compiled without -module to lib/gnucash and
         # correct the 'dlname' in the libtool archives. We do not use these