OVCCGtk: properly set linker flags in LDFLAGS, not CFLAGS

clients/ovcc-gtk/src/Makefile.am

@@ -39,8 +39,8 @@ EXTRA_DIST      = ovccgtk-marshal.list \
                   ovccgtk-enum-types.h.tpl
 
 
-ovcc_gtk_CFLAGS     = $(OVCCGTK_CFLAGS) -Wl,--export-dynamic \
-                      -DDATADIR='"$(ovccgtkdatadir)"'
+ovcc_gtk_CFLAGS     = $(OVCCGTK_CFLAGS) -DDATADIR='"$(ovccgtkdatadir)"'
+ovcc_gtk_LDFLAGS    = -Wl,--export-dynamic
 ovcc_gtk_LDADD      = $(OVCCGTK_LIBS) -lm
 ovcc_gtk_SOURCES    = $(autogen_sources) \
                       $(autogen_headers) \