[Buildroot] [git commit branch/2021.02.x] package/libunwind: don't override dependencies

[Peter Korsgaard]

commit: https://git.buildroot.net/buildroot/commit/?id=5aa853dfb852a1ab5373373f1afdd02fd3827b5b
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2021.02.x

Don't override LIBUNWIND_DEPENDENCIES in a conditional

Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>
(cherry picked from commit 794821faa339c4b7910bb3f4e9299f887acc901e)
Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
 package/libunwind/libunwind.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/libunwind/libunwind.mk b/package/libunwind/libunwind.mk
index abdec86761..5f6b87b9db 100644
--- a/package/libunwind/libunwind.mk
+++ b/package/libunwind/libunwind.mk
@@ -16,7 +16,7 @@ LIBUNWIND_CONF_OPTS = \
 	$(if $(BR2_INSTALL_LIBSTDCPP),--enable-cxx-exceptions,--disable-cxx-exceptions)
 
 ifeq ($(BR2_PACKAGE_LIBATOMIC_OPS),y)
-LIBUNWIND_DEPENDENCIES = libatomic_ops
+LIBUNWIND_DEPENDENCIES += libatomic_ops
 endif
 
 $(eval $(autotools-package))