-test-/string: move

* ext/-test-/string/extconf.rb: move "-test-/string/string.so" to
  "-test-/string.so".

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51249 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/-test-/string/extconf.rb

@@ -4,4 +4,4 @@ inits = $srcs.map {|s| File.basename(s, ".*")}
 inits.delete("init")
 inits.map! {|s|"X(#{s})"}
 $defs << "-DTEST_INIT_FUNCS(X)=\"#{inits.join(' ')}\""
-create_makefile("-test-/string/string")
+create_makefile("-test-/string")

test/-ext-/string/test_coderange.rb

@@ -1,6 +1,6 @@
 # coding: ascii-8bit
 require 'test/unit'
-require "-test-/string/string"
+require "-test-/string"
 require "rbconfig/sizeof"
 
 class Test_StringCoderange < Test::Unit::TestCase

test/-ext-/string/test_cstr.rb

@@ -1,5 +1,5 @@
 require 'test/unit'
-require "-test-/string/string"
+require "-test-/string"
 
 class Test_StringCStr < Test::Unit::TestCase
   Bug4319 = '[ruby-dev:43094]'

test/-ext-/string/test_ellipsize.rb

@@ -1,5 +1,5 @@
 require 'test/unit'
-require "-test-/string/string"
+require "-test-/string"
 
 class Test_StringEllipsize < Test::Unit::TestCase
   def setup

test/-ext-/string/test_enc_associate.rb

@@ -1,5 +1,5 @@
 require 'test/unit'
-require "-test-/string/string"
+require "-test-/string"
 
 class Test_StrEncAssociate < Test::Unit::TestCase
   def test_frozen

test/-ext-/string/test_enc_str_buf_cat.rb

@@ -1,5 +1,5 @@
 require 'test/unit'
-require "-test-/string/string"
+require "-test-/string"
 
 class Test_StringEncStrBufCat < Test::Unit::TestCase
   Bug6509 = '[ruby-dev:45688]'

test/-ext-/string/test_modify_expand.rb

@@ -1,9 +1,9 @@
 require 'test/unit'
-require "-test-/string/string"
+require "-test-/string"
 
 class Test_StringModifyExpand < Test::Unit::TestCase
   def test_modify_expand_memory_leak
-    assert_no_memory_leak(["-r-test-/string/string"],
+    assert_no_memory_leak(["-r-test-/string"],
                           <<-PRE, <<-CMD, "rb_str_modify_expand()", limit: 2.5)
       s=Bug::String.new
     PRE

test/-ext-/string/test_nofree.rb

@@ -4,7 +4,7 @@ class Test_StringNoFree < Test::Unit::TestCase
   def test_no_memory_leak
     bug10942 = '[ruby-core:68436] [Bug #10942] no leak on nofree string'
     code = '.times {Bug::String.nofree << "a" * 100}'
-    assert_no_memory_leak(%w(-r-test-/string/string),
+    assert_no_memory_leak(%w(-r-test-/string),
                           "100_000#{code}",
                           "1_000_000#{code}",
                           bug10942, rss: true)

test/-ext-/string/test_normalize.rb

@@ -1,5 +1,5 @@
 require 'test/unit'
-require "-test-/string/string"
+require "-test-/string"
 require "tempfile"
 
 class Test_StringNormalize < Test::Unit::TestCase
@@ -102,7 +102,7 @@ class Test_StringNormalize < Test::Unit::TestCase
   end
 
   def test_invalid_sequence
-    assert_separately(%w[-r-test-/string/string], <<-'end;')
+    assert_separately(%w[-r-test-/string], <<-'end;')
       assert_equal("\u{fffd}", Bug::String.new("\xff").normalize_ospath)
     end;
   end

test/-ext-/string/test_qsort.rb

@@ -1,5 +1,5 @@
 require 'test/unit'
-require "-test-/string/string"
+require "-test-/string"
 
 class Test_StringQSort < Test::Unit::TestCase
   def test_qsort

test/-ext-/string/test_set_len.rb

@@ -1,5 +1,5 @@
 require 'test/unit'
-require "-test-/string/string"
+require "-test-/string"
 
 class Test_StrSetLen < Test::Unit::TestCase
   def setup