apps/btshell: Fix minor coding style issue

This fixes minor coding style issue in btshell_scan_opts.
diff --git a/apps/btshell/src/btshell.h b/apps/btshell/src/btshell.h
index 83daded..c74ca2f 100644
--- a/apps/btshell/src/btshell.h
+++ b/apps/btshell/src/btshell.h
@@ -90,8 +90,8 @@
 
 struct btshell_scan_opts {
     uint16_t limit;
-    uint8_t ignore_legacy:1;
-    uint8_t periodic_only:1;
+    uint8_t ignore_legacy : 1;
+    uint8_t periodic_only : 1;
     uint8_t name_filter_len;
     char name_filter[NAME_FILTER_LEN_MAX];
 };
diff --git a/apps/btshell/src/cmd.c b/apps/btshell/src/cmd.c
index 1b20078..1924e4f 100644
--- a/apps/btshell/src/cmd.c
+++ b/apps/btshell/src/cmd.c
@@ -1107,10 +1107,10 @@
  *****************************************************************************/
 
 static struct btshell_scan_opts g_scan_opts = {
-        .limit = UINT16_MAX,
-        .ignore_legacy = 0,
-        .periodic_only = 0,
-        .name_filter_len = 0,
+    .limit = UINT16_MAX,
+    .ignore_legacy = 0,
+    .periodic_only = 0,
+    .name_filter_len = 0,
 };
 
 static int