Avoid -Werror=format/stringop-truncation

It also affects gcc 8.3

Change-Id: I896e84d5e1e96abfe81294e921cfcc060e44fb6f
Reviewed-on: https://gerrit.libreoffice.org/71474
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

hwpfilter/source/hstyle.cxx

@@ -67,7 +67,7 @@ void HWPStyle::SetName(int n, char const *name)
     {
         if (name)
         {
-#if defined __GNUC__ && __GNUC__ == 8 && __GNUC_MINOR__ == 2 && !defined __clang__
+#if defined __GNUC__ && __GNUC__ == 8 && (__GNUC_MINOR__ == 2 || __GNUC_MINOR__ == 3) && !defined __clang__
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wstringop-truncation"
 #endif

soltools/mkdepend/include.c

@@ -243,7 +243,7 @@ int issymbolic(char *dir, char *component)
     struct stat st;
     char    buf[ BUFSIZ ], **pp;
 
-#if defined __GNUC__ && __GNUC__ == 8 && __GNUC_MINOR__ == 2 && !defined __clang__
+#if defined __GNUC__ && __GNUC__ == 8 && (__GNUC_MINOR__ == 2 || __GNUC_MINOR__ == 3) && !defined __clang__
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wformat-truncation"
     // silence "‘snprintf’ output may be truncated before the last format character"