fix securec download links due to mistakes made by openeuler community

cmake/external_libs/securec.cmake

@@ -1,7 +1,7 @@
 graphengine_add_pkg(securec
         VER 1.1.10
-        URL https://gitee.com/openeuler/bounds_checking_function/repository/archive/v1.1.10.tar.gz
+        URL https://gitee.com/openeuler/libboundscheck/repository/archive/v1.1.10.tar.gz
-        MD5 0782dd2351fde6920d31a599b23d8c91
+        MD5 193f0ca5246c1dd84920db34d2d8249f
         LIBS c_sec
         PATCHES ${GE_SOURCE_DIR}/third_party/patch/securec/securec.patch001
         CMAKE_OPTION " "

third_party/patch/securec/securec.patch001

@@ -1,10 +1,9 @@
-diff -Npur bounds_checking_function/CMakeLists.txt securec/CMakeLists.txt
+diff -Npur -x .git libboundscheck/CMakeLists.txt securec/CMakeLists.txt
---- bounds_checking_function/CMakeLists.txt	1970-01-01 08:00:00.000000000 +0800
+--- libboundscheck/CMakeLists.txt	1970-01-01 08:00:00.000000000 +0800
-+++ securec/CMakeLists.txt	2020-05-11 17:10:49.406735400 +0800
++++ securec/CMakeLists.txt	2020-09-19 16:53:48.689460700 +0800
-@@ -0,0 +1,19 @@
+@@ -0,0 +1,18 @@
 +cmake_minimum_required(VERSION 3.14)
 +project(Securec)
-+set(CMAKE_BUILD_TYPE "Debug")
 +set(CMAKE_C_FLAGS_DEBUG "$ENV{CFLAGS} -fPIC -O0 -Wall -Wno-deprecated-declarations -g2 -ggdb -fno-inline-functions -fno-omit-frame-pointer -D_LIBCPP_INLINE_VISIBILITY='' -D'_LIBCPP_EXTERN_TEMPLATE(...)='")
 +set(CMAKE_C_FLAGS_RELEASE "$ENV{CFLAGS} -fPIC -O3 -Wall -Wno-deprecated-declarations")
 +set(CMAKE_EXPORT_COMPILE_COMMANDS ON)