fixed executable stack as per bug #115038 thanks to Petteri Räty

--- gmp-4.1.4/configure
+++ gmp-4.1.4/configure
@@ -21689,6 +21689,7 @@
 fi
 echo "')" >> $gmp_configm4
 echo "define(\`__CONFIG_M4_INCLUDED__')" >> $gmp_configm4
+cat nostackexec>>$gmp_configm4
 
 # Create Makefiles
 # FIXME: Upcoming version of autoconf/automake may not like broken lines.
--- gmp-4.1.4/nostackexec
+++ gmp-4.1.4/nostackexec
@@ -0,0 +1,4 @@
+#if defined(__linux__) && defined(__ELF__)
+.section .note.GNU-stack,"",%progbits
+.previous
+#endif