Configure: fixed autotest source code logging.

Fixed a regression introduced in rev. 434548349838 that prevented
auto/types/sizeof and auto/types/typedef properly reporting autotest
source code to autoconf.err in case of test failure.

auto/types/sizeof

diff --git a/auto/types/sizeof b/auto/types/sizeof
index a5f66bb..b5b71bb 100644
--- a/auto/types/sizeof
+++ b/auto/types/sizeof
@@ -45,9 +45,6 @@
 fi
 
 
-rm -rf $NGX_AUTOTEST*
-
-
 case $ngx_size in
     4)
         ngx_max_value=2147483647
@@ -69,6 +66,11 @@
         echo $ngx_test       >> $NGX_AUTOCONF_ERR
         echo "----------"    >> $NGX_AUTOCONF_ERR
 
+        rm -rf $NGX_AUTOTEST*
+
         exit 1
 esac
 
+
+rm -rf $NGX_AUTOTEST*
+

auto/types/typedef

diff --git a/auto/types/typedef b/auto/types/typedef
index 8b5c368..f167e80 100644
--- a/auto/types/typedef
+++ b/auto/types/typedef
@@ -49,8 +49,6 @@
         fi
     fi
 
-    rm -rf $NGX_AUTOTEST*
-
     if [ $ngx_found = no ]; then
         echo $ngx_n " $ngx_try not found$ngx_c"
 
@@ -59,8 +57,11 @@
         echo "----------"    >> $NGX_AUTOCONF_ERR
         echo $ngx_test       >> $NGX_AUTOCONF_ERR
         echo "----------"    >> $NGX_AUTOCONF_ERR
+    fi
 
-    else
+    rm -rf $NGX_AUTOTEST*
+
+    if [ $ngx_found != no ]; then
         break
     fi
 done