minor fixes
diff --git a/examples/c/decode/file/Makefile.am b/examples/c/decode/file/Makefile.am
index 5505020..908900d 100644
--- a/examples/c/decode/file/Makefile.am
+++ b/examples/c/decode/file/Makefile.am
@@ -18,7 +18,7 @@
 EXTRA_DIST = \
 	Makefile.lite \
 	example_c_decode_file.dsp \
-	example_c_decode_file.vcproj \
+	example_c_decode_file.vcproj
 
 noinst_PROGRAMS = example_c_decode_file
 example_c_decode_file_LDADD = \
diff --git a/examples/c/encode/file/Makefile.am b/examples/c/encode/file/Makefile.am
index 80819b7..021d628 100644
--- a/examples/c/encode/file/Makefile.am
+++ b/examples/c/encode/file/Makefile.am
@@ -18,7 +18,7 @@
 EXTRA_DIST = \
 	Makefile.lite \
 	example_c_encode_file.dsp \
-	example_c_encode_file.vcproj \
+	example_c_encode_file.vcproj
 
 noinst_PROGRAMS = example_c_encode_file
 example_c_encode_file_LDADD = \
diff --git a/examples/cpp/decode/file/Makefile.am b/examples/cpp/decode/file/Makefile.am
index 06ad5ab..282b446 100644
--- a/examples/cpp/decode/file/Makefile.am
+++ b/examples/cpp/decode/file/Makefile.am
@@ -18,7 +18,7 @@
 EXTRA_DIST = \
 	Makefile.lite \
 	example_cpp_decode_file.dsp \
-	example_cpp_decode_file.vcproj \
+	example_cpp_decode_file.vcproj
 
 noinst_PROGRAMS = example_cpp_decode_file
 example_cpp_decode_file_LDADD = \
diff --git a/examples/cpp/encode/file/Makefile.am b/examples/cpp/encode/file/Makefile.am
index 4539dd9..ea4f788 100644
--- a/examples/cpp/encode/file/Makefile.am
+++ b/examples/cpp/encode/file/Makefile.am
@@ -18,7 +18,7 @@
 EXTRA_DIST = \
 	Makefile.lite \
 	example_cpp_encode_file.dsp \
-	example_cpp_encode_file.vcproj \
+	example_cpp_encode_file.vcproj
 
 noinst_PROGRAMS = example_cpp_encode_file
 example_cpp_encode_file_LDADD = \