Fix bootstrap version computing with custom bc (#978)

When i have ~/.bc configuration file with content:
scale=2
which is changing default behaviour (scale=0), bootstrap is not working.

1 files changed, 6 insertions, 6 deletions

diff --git a/bootstrap b/bootstrap
index 6312953..1da6d60 100755
--- a/bootstrap
+++ b/bootstrap
@@ -17,16 +17,16 @@ fi
 
 BROTLI_ABI_HEX=`sed -n 's/#define BROTLI_ABI_VERSION 0x//p' c/common/version.h`
 BROTLI_ABI_INT=`echo "ibase=16;$BROTLI_ABI_HEX" | bc`
-BROTLI_ABI_CURRENT=`echo "$BROTLI_ABI_INT / 16777216" | bc`
-BROTLI_ABI_REVISION=`echo "$BROTLI_ABI_INT / 4096 % 4096" | bc`
-BROTLI_ABI_AGE=`echo "$BROTLI_ABI_INT % 4096" | bc`
+BROTLI_ABI_CURRENT=`echo "scale=0;$BROTLI_ABI_INT / 16777216" | bc`
+BROTLI_ABI_REVISION=`echo "scale=0;$BROTLI_ABI_INT / 4096 % 4096" | bc`
+BROTLI_ABI_AGE=`echo "scale=0;$BROTLI_ABI_INT % 4096" | bc`
 BROTLI_ABI_INFO="$BROTLI_ABI_CURRENT:$BROTLI_ABI_REVISION:$BROTLI_ABI_AGE"
 
 BROTLI_VERSION_HEX=`sed -n 's/#define BROTLI_VERSION 0x//p' c/common/version.h`
 BROTLI_VERSION_INT=`echo "ibase=16;$BROTLI_VERSION_HEX" | bc`
-BROTLI_VERSION_MAJOR=`echo "$BROTLI_VERSION_INT / 16777216" | bc`
-BROTLI_VERSION_MINOR=`echo "$BROTLI_VERSION_INT / 4096 % 4096" | bc`
-BROTLI_VERSION_PATCH=`echo "$BROTLI_VERSION_INT % 4096" | bc`
+BROTLI_VERSION_MAJOR=`echo "scale=0;$BROTLI_VERSION_INT / 16777216" | bc`
+BROTLI_VERSION_MINOR=`echo "scale=0;$BROTLI_VERSION_INT / 4096 % 4096" | bc`
+BROTLI_VERSION_PATCH=`echo "scale=0;$BROTLI_VERSION_INT % 4096" | bc`
 BROTLI_VERSION="$BROTLI_VERSION_MAJOR.$BROTLI_VERSION_MINOR.$BROTLI_VERSION_PATCH"
 
 sed -i.bak "$SED_ERE" "s/[0-9]+:[0-9]+:[0-9]+/$BROTLI_ABI_INFO/" Makefile.am