!97 Fix syntax errors

From: @yaokai13
Reviewed-by: @miao_kaibo
Signed-off-by: @miao_kaibo

generic-release-1.0/system-info.sh

@@ -22,7 +22,7 @@ swap_total=$(cat /proc/meminfo | awk '/^SwapTotal:/ { printf($2)}')
 swap_free=$(cat /proc/meminfo | awk '/^SwapFree:/ { printf($2)}')
 
 
-if [ $memory_total -gt 0 ]
+if [[ $memory_total -gt 0 ]]
 then
     memory_usage=`echo "scale=1; ($memory_total - $memory_free - $buffers - $cached - $sreclaimable) * 100.0 / $memory_total" |bc`
     memory_usage="${memory_usage}%"
@@ -31,7 +31,7 @@ else
 fi
 
 # Swap memory
-if [ $swap_total -gt 0 ]
+if [[ $swap_total -gt 0 ]]
 then
     swap_mem=`echo "scale=1; ($swap_total - $swap_free) * 100.0 / $swap_total" |bc`
     swap_mem="${swap_mem}%"

generic-release.spec

@@ -5,7 +5,7 @@
 %define dist_release_version 8
 %define generic_version 20.03
 %define generic_patch_level LTS
-%define generic_release 48
+%define generic_release 49
 %define builtin_release_version 1.0
 
 %define current_arch %{_arch}
@@ -136,6 +136,9 @@ rm -rf $RPM_BUILD_ROOT
 /etc/profile.d/performance.sh
 
 %changelog
+* Wed Dec 01 2021 yaokai <yaokai13@huawei.com> - 1.0.49
+- Fix syntax errors
+
 * Mon Nov 29 2021 yaokai <yaokai13@huawei.com> - 1.0.48
 - recover the dependency for bc