replace tabs with spaces in various files

The affected files in this patch had inconsistent use of tabs vs. spaces
for indentation, and this patch eliminates the stray tabs.

Also, the opening brace of sigchld_hdl() in activate.c was moved so the
opening braces are consistent throughout the file.

4 files changed, 9 insertions, 10 deletions

diff --git a/src/activate/activate.c b/src/activate/activate.c
index 87526d47cc..83d25b13af 100644
--- a/src/activate/activate.c
+++ b/src/activate/activate.c
@@ -290,16 +290,15 @@ static int do_accept(const char* name, char **argv, char **envp, int fd) {
 }
 
 /* SIGCHLD handler. */
-static void sigchld_hdl(int sig, siginfo_t *t, void *data)
-{
+static void sigchld_hdl(int sig, siginfo_t *t, void *data) {
         log_info("Child %d died with code %d", t->si_pid, t->si_status);
-	/* Wait for a dead child. */
-	waitpid(t->si_pid, NULL, 0);
+        /* Wait for a dead child. */
+        waitpid(t->si_pid, NULL, 0);
 }
 
 static int install_chld_handler(void) {
         int r;
-	struct sigaction act;
+        struct sigaction act;
         zero(act);
         act.sa_flags = SA_SIGINFO;
         act.sa_sigaction = sigchld_hdl;
diff --git a/src/core/execute.c b/src/core/execute.c
index 5e342f8d47..cbeb0caf26 100644
--- a/src/core/execute.c
+++ b/src/core/execute.c
@@ -1727,10 +1727,10 @@ int exec_context_load_environment(const ExecContext *c, char ***l) {
 
                                 strv_free(r);
                                 return k;
-                         }
+                        }
                         /* Log invalid environment variables with filename */
-			if (p)
-	                        p = strv_env_clean_log(p, pglob.gl_pathv[n]);
+                        if (p)
+                                p = strv_env_clean_log(p, pglob.gl_pathv[n]);
 
                         if (r == NULL)
                                 r = p;
diff --git a/src/shared/missing.h b/src/shared/missing.h
index 96e6d63101..24a8392b22 100644
--- a/src/shared/missing.h
+++ b/src/shared/missing.h
@@ -139,7 +139,7 @@ static inline int fanotify_init(unsigned int flags, unsigned int event_f_flags)
 static inline int fanotify_mark(int fanotify_fd, unsigned int flags, uint64_t mask,
                                 int dfd, const char *pathname) {
 #if defined _MIPS_SIM && _MIPS_SIM == _MIPS_SIM_ABI32 || defined __powerpc__ && !defined __powerpc64__ \
-	|| defined __arm__ && !defined __aarch64__
+    || defined __arm__ && !defined __aarch64__
         union {
                 uint64_t _64;
                 uint32_t _32[2];
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 7ecd8d2cfb..7436d4e875 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -3444,7 +3444,7 @@ static int show_one(const char *verb, DBusConnection *bus, const char *path, boo
                         r = 1;
                 else
                         r = 3;
-	}
+        }
 
         while ((p = info.exec)) {
                 LIST_REMOVE(ExecStatusInfo, exec, info.exec, p);