Fix nls.mk to reflect astreamer files relocation

In the recent commit f80b09b, astreamer files were moved to another
directory, but this change was not reflected in nls.mk.  This commit
corrects that oversight.

Author: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Discussion: https://postgr.es/m/20240806.102123.648178476296575604.horikyota.ntt@gmail.com

Author: alvherre

src/bin/pg_basebackup/nls.mk

@@ -1,12 +1,7 @@
 # src/bin/pg_basebackup/nls.mk
 CATALOG_NAME     = pg_basebackup
 GETTEXT_FILES    = $(FRONTEND_COMMON_GETTEXT_FILES) \
-                   astreamer_file.c \
-                   astreamer_gzip.c \
                    astreamer_inject.c \
-                   astreamer_lz4.c \
-                   astreamer_tar.c \
-                   astreamer_zstd.c \
                    pg_basebackup.c \
                    pg_createsubscriber.c \
                    pg_receivewal.c \
@@ -19,6 +14,11 @@ GETTEXT_FILES    = $(FRONTEND_COMMON_GETTEXT_FILES) \
                    ../../common/fe_memutils.c \
                    ../../common/file_utils.c \
                    ../../common/restricted_token.c \
+                   ../../fe_utils/astreamer_file.c \
+                   ../../fe_utils/astreamer_gzip.c \
+                   ../../fe_utils/astreamer_lz4.c \
+                   ../../fe_utils/astreamer_tar.c \
+                   ../../fe_utils/astreamer_zstd.c \
                    ../../fe_utils/option_utils.c \
                    ../../fe_utils/recovery_gen.c \
                    ../../fe_utils/string_utils.c