decrease paddign: gcc-9.3.1 slaps 32-byte alignment on arrays willy-nilly

   text	   data	    bss	    dec	    hex	filename
1021988	    559	   5052	1027599	  fae0f	busybox_old
1021236	    559	   5052	1026847	  fab1f	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/libbb/capability.c b/libbb/capability.c
index 23afd8e..e3c252a 100644
--- a/libbb/capability.c
+++ b/libbb/capability.c
@@ -17,7 +17,7 @@
 // This way, libcap needs not be installed in build environment.
 #include "libbb.h"
 
-static const char *const capabilities[] = {
+static const char *const capabilities[] ALIGN_PTR = {
 	"chown",
 	"dac_override",
 	"dac_read_search",