Build: Fix = to += for xz_SOURCES in src/xz/Makefile.am.

Thanks to Christian Kujau.

diff --git a/src/xz/Makefile.am b/src/xz/Makefile.am
index 2c6e6f54f55bed670129bc0316712b47dbd1a8a5..0890aad7997157eb0247f514dbf317c24da0f914 100644 (file)
--- a/src/xz/Makefile.am
+++ b/src/xz/Makefile.am
@@ -38,7 +38,7 @@ xz_SOURCES = \
        ../common/tuklib_mbstr_fw.c
 
 if COND_MAIN_DECODER
-xz_SOURCES = \
+xz_SOURCES += \
        list.c \
        list.h
 endif