Fix a similar configure typo from microblaze.
diff --git a/configure b/configure
index 1504efb..0db885b 100755
--- a/configure
+++ b/configure
@@ -1516,7 +1516,7 @@
 echo "PTHREADLIBS=$PTHREADLIBS" >> $config_host_mak
 echo "CLOCKLIBS=$CLOCKLIBS" >> $config_host_mak
 case "$cpu" in
-  i386|x86_64|alpha|cris|hppa|ia64|m68k|microbaze|mips|mips64|ppc|ppc64|s390|sparc|sparc64)
+  i386|x86_64|alpha|cris|hppa|ia64|m68k|microblaze|mips|mips64|ppc|ppc64|s390|sparc|sparc64)
     ARCH=$cpu
   ;;
   armv4b|armv4l)