Make formatting in nls.mk files more consistent

Some of the nls.mk files used different indentation or line breaks
than the majority, which makes editing these files unnecessarily
confusing.

src/bin/pg_dump/nls.mk

@@ -30,6 +30,7 @@ GETTEXT_FILES    = $(FRONTEND_COMMON_GETTEXT_FILES) \
                    ../../fe_utils/option_utils.c
 GETTEXT_TRIGGERS = $(FRONTEND_COMMON_GETTEXT_TRIGGERS) \
                    simple_prompt \
-                   ExecuteSqlCommand:3 warn_or_exit_horribly:2
+                   ExecuteSqlCommand:3 \
+                   warn_or_exit_horribly:2
 GETTEXT_FLAGS    = $(FRONTEND_COMMON_GETTEXT_FLAGS) \
                    warn_or_exit_horribly:2:c-format

src/bin/pg_rewind/nls.mk

@@ -15,6 +15,7 @@ GETTEXT_FILES    = $(FRONTEND_COMMON_GETTEXT_FILES) \
                    ../../common/restricted_token.c \
                    ../../fe_utils/archive.c \
                    ../../fe_utils/recovery_gen.c
-GETTEXT_TRIGGERS = $(FRONTEND_COMMON_GETTEXT_TRIGGERS) report_invalid_record:2
+GETTEXT_TRIGGERS = $(FRONTEND_COMMON_GETTEXT_TRIGGERS) \
+                   report_invalid_record:2
 GETTEXT_FLAGS    = $(FRONTEND_COMMON_GETTEXT_FLAGS) \
                    report_invalid_record:2:c-format

src/bin/pg_upgrade/nls.mk

@@ -15,9 +15,12 @@ GETTEXT_FILES    = check.c \
                    tablespace.c \
                    util.c \
                    version.c
-GETTEXT_TRIGGERS = pg_fatal pg_log:2 prep_status prep_status_progress report_status:2
-GETTEXT_FLAGS    = \
-    pg_fatal:1:c-format \
+GETTEXT_TRIGGERS = pg_fatal \
+                   pg_log:2 \
+                   prep_status \
+                   prep_status_progress \
+                   report_status:2
+GETTEXT_FLAGS    = pg_fatal:1:c-format \
                    pg_log:2:c-format \
                    prep_status:1:c-format \
                    prep_status_progress:1:c-format \

src/bin/pg_waldump/nls.mk

@@ -4,6 +4,7 @@ GETTEXT_FILES    = $(FRONTEND_COMMON_GETTEXT_FILES) \
                    pg_waldump.c \
                    xlogreader.c \
                    xlogstats.c
-GETTEXT_TRIGGERS = $(FRONTEND_COMMON_GETTEXT_TRIGGERS) report_invalid_record:2
+GETTEXT_TRIGGERS = $(FRONTEND_COMMON_GETTEXT_TRIGGERS) \
+                   report_invalid_record:2
 GETTEXT_FLAGS    = $(FRONTEND_COMMON_GETTEXT_FLAGS) \
                    report_invalid_record:2:c-format

src/pl/plpython/nls.mk

@@ -12,7 +12,10 @@ GETTEXT_FILES    = plpy_cursorobject.c \
                    plpy_subxactobject.c \
                    plpy_typeio.c \
                    plpy_util.c
-GETTEXT_TRIGGERS = $(BACKEND_COMMON_GETTEXT_TRIGGERS) PLy_elog:2 PLy_exception_set:2 PLy_exception_set_plural:2,3
+GETTEXT_TRIGGERS = $(BACKEND_COMMON_GETTEXT_TRIGGERS) \
+                   PLy_elog:2 \
+                   PLy_exception_set:2 \
+                   PLy_exception_set_plural:2,3
 GETTEXT_FLAGS    = $(BACKEND_COMMON_GETTEXT_FLAGS) \
                    PLy_elog:2:c-format \
                    PLy_exception_set:2:c-format \