Update host reqirements script for g++

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@10241 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

prologue/hostreqs.xml

@@ -184,10 +184,10 @@ tar --version | head -n1
 echo "Texinfo: `makeinfo --version | head -n1`"
 xz --version | head -n1
 
-echo 'main(){}' > dummy.c && gcc -o dummy dummy.c
+echo 'main(){}' > dummy.c && g++ -o dummy dummy.c
 if [ -x dummy ]
-  then echo "gcc compilation OK";
-  else echo "gcc compilation failed"; fi
+  then echo "g++ compilation OK";
+  else echo "g++ compilation failed"; fi
 rm -f dummy.c dummy</literal>
 EOF