Remove unused return value variable in lib/unwarminder/backtrace.c

Stop the Android warning about it

Change-Id: I2f01220004f128befaa5757786b8de174566cbb5

1 files changed, 1 insertions, 3 deletions

diff --git a/lib/unwarminder/backtrace.c b/lib/unwarminder/backtrace.c
index 5612cfd74b..683d2fdcc1 100644
--- a/lib/unwarminder/backtrace.c
+++ b/lib/unwarminder/backtrace.c
@@ -108,12 +108,10 @@ Boolean CliInvalidateW(const Int32 a)
 
 void backtrace(int pcAddr, int spAddr, unsigned *line)
 {
-    UnwResult r;
-
     lcd_putsf(0, (*line)++, "pc:%08x sp:%08x", pcAddr, spAddr);
     lcd_update();
 
-    r = UnwindStart(pcAddr, spAddr, &cliCallbacks, (void *)line);
+    UnwindStart(pcAddr, spAddr, &cliCallbacks, (void *)line);
 
     lcd_puts(0, (*line)++, "bt end");
     lcd_update();