small code readability and typo fixes

applets/applet_tables.c

@@ -32,7 +32,7 @@ struct bb_applet {
 /* Define struct bb_applet applets[] */
 #include "../include/applets.h"
 
-enum { NUM_APPLETS = sizeof(applets)/sizeof(applets[0]) };
+enum { NUM_APPLETS = ARRAY_SIZE(applets) };
 
 static int offset[NUM_APPLETS];
 
@@ -92,7 +92,7 @@ int main(int argc, char **argv)
 			+ (applets[i].noexec << 13)
 #endif
 #if ENABLE_FEATURE_SUID
-			+ (applets[i].need_suid   << 14) /* 2 bits */
+			+ (applets[i].need_suid << 14) /* 2 bits */
 #endif
 		);
 	}

libbb/appletlib.c

@@ -34,7 +34,7 @@ static const char usage_messages[] ALIGN1 = ""
 #endif /* SHOW_USAGE */
 
 
-/* Include generated applet names, pointers to <apllet>_main, etc */
+/* Include generated applet names, pointers to <applet>_main, etc */
 #include "applet_tables.h"