*: hopefully all setup_common_bufsiz() are in place

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

editors/diff.c

@@ -749,6 +749,7 @@ static int diffreg(char *file[2])
 		fp[i] = fdopen(fd, "r");
 	}
 
+	setup_common_bufsiz();
 	while (1) {
 		const size_t sz = COMMON_BUFSIZE / 2;
 		char *const buf0 = bb_common_bufsiz1;

editors/ed.c

@@ -33,12 +33,11 @@ typedef struct LINE {
 } LINE;
 
 
-#define        searchString bb_common_bufsiz1
-#define sizeof_searchString COMMON_BUFSIZE
+#define searchString bb_common_bufsiz1
 
 enum {
-	USERSIZE = sizeof_searchString > 1024 ? 1024
-	         : sizeof_searchString - 1, /* max line length typed in by user */
+	USERSIZE = COMMON_BUFSIZE > 1024 ? 1024
+	         : COMMON_BUFSIZE - 1, /* max line length typed in by user */
 	INITBUF_SIZE = 1024, /* initial buffer size */
 };
 
@@ -68,6 +67,7 @@ struct globals {
 #define lines              (G.lines             )
 #define marks              (G.marks             )
 #define INIT_G() do { \
+	setup_common_bufsiz(); \
 	SET_PTR_TO_GLOBALS(xzalloc(sizeof(G))); \
 } while (0)