work around gcc's false warning

diff --git a/coreutils/diff.c b/coreutils/diff.c
index 2ce681affd3df4adf645bd4948cee7cd4e41ac79..872b78830ed8bd9c00df5866f36d1bc4cf290b47 100644 (file)
--- a/coreutils/diff.c
+++ b/coreutils/diff.c
@@ -898,8 +898,8 @@ static int diffreg(char *ofile1, char *ofile2, int flags)
 {
        char *file1 = ofile1;
        char *file2 = ofile2;
-       FILE *f1;
-       FILE *f2;
+       FILE *f1 = stdin;
+       FILE *f2 = stdin;
        int rval = D_SAME;
        int i;
 
@@ -911,7 +911,6 @@ static int diffreg(char *ofile1, char *ofile2, int flags)
        if (LONE_DASH(file1) && LONE_DASH(file2))
                goto closem;
 
-       f1 = f2 = stdin;
        if (flags & D_EMPTY1)
                f1 = xfopen(bb_dev_null, "r");
        else if (NOT_LONE_DASH(file1))