[newlib-cygwin] riscv: Add 'break' statements to fpsetround switch

[Corinna Vinschen <corinna@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=8e74c7119fb7f95662bb4986570a98496f259400

commit 8e74c7119fb7f95662bb4986570a98496f259400
Author: Keith Packard <keithp@keithp.com>
Date:   Mon Jan 20 22:46:35 2020 -0800

    riscv: Add 'break' statements to fpsetround switch
    
    This makes the fpsetround function actually do something rather than
    just return -1 due to the default 'fall-through' behavior of the switch
    statement.
    
    Signed-off-by: Keith Packard <keithp@keithp.com>

Diff:
---
 newlib/libc/machine/riscv/ieeefp.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/newlib/libc/machine/riscv/ieeefp.c b/newlib/libc/machine/riscv/ieeefp.c
index 68ace0b..c458322 100644
--- a/newlib/libc/machine/riscv/ieeefp.c
+++ b/newlib/libc/machine/riscv/ieeefp.c
@@ -84,10 +84,10 @@ fpsetround(fp_rnd rnd_dir)
   unsigned new_rm;
   switch (rnd_dir)
     {
-    case FP_RN: new_rm = 0;
-    case FP_RZ: new_rm = 1;
-    case FP_RM: new_rm = 2;
-    case FP_RP: new_rm = 3;
+    case FP_RN: new_rm = 0; break;
+    case FP_RZ: new_rm = 1; break;
+    case FP_RM: new_rm = 2; break;
+    case FP_RP: new_rm = 3; break;
     default:    return -1;
     }
   fssr (new_rm << 5 | fsr & 0x1f);