update and link *.spins files with -pthreads

debian/changelog

+spins (1.1-5) unstable; urgency=medium
+
+  * Update to git version bcc898c3610208c6ae0063d2353d1631e7fe7de1 from
+    2018-12-02.
+  * Link the *.spins files with -pthreads.
+
+ -- Alexandre Duret-Lutz <adl@lrde.epita.fr>  Wed, 11 Sep 2019 14:34:05 +0200
+
 spins (1.1-4) unstable; urgency=medium
 
   * Update to new build environment.

spins.sh

@@ -37,7 +37,7 @@ if [ -f "$output_file" ]; then
 fi
 
 # Total memory in KB
-if [ -e /proc/meminfo ]; then 
+if [ -e /proc/meminfo ]; then
     totalMemKB=`awk '/MemTotal:/ { print $2 }' /proc/meminfo`
     totalMemMB=$(( $totalMemKB/1024 ))
 else
@@ -68,7 +68,7 @@ CC="gcc -fPIC -shared -O2 -ggdb $CFLAGS -Wno-unused-variable \
     -Wno-initializer-overrides \
     -Wno-unused-but-set-variable \
     -Wno-unknown-warning-option \
-    $output_file -o $promela_name.spins"
+    -pthreads $output_file -o $promela_name.spins"
 
 if [ $verbose = 1 ]; then
     echo $CC