Rename tabtest.c and v3nametest.c

The binaries for these already have underscores in, best to have the
source files match.

Change-Id: I32a419f32ec7786fe2537d061eb0706a7bc73f4a
Reviewed-on: https://boringssl-review.googlesource.com/5101
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/crypto/x509v3/CMakeLists.txt b/crypto/x509v3/CMakeLists.txt
index c7e6054..ca20b09 100644
--- a/crypto/x509v3/CMakeLists.txt
+++ b/crypto/x509v3/CMakeLists.txt
@@ -46,7 +46,7 @@
 add_executable(
   v3name_test
 
-  v3nametest.c
+  v3name_test.c
 
   $<TARGET_OBJECTS:test_support>
 )
@@ -56,7 +56,7 @@
 add_executable(
   tab_test
 
-  tabtest.c
+  tab_test.c
 
   $<TARGET_OBJECTS:test_support>
 )
diff --git a/crypto/x509v3/tabtest.c b/crypto/x509v3/tab_test.c
similarity index 100%
rename from crypto/x509v3/tabtest.c
rename to crypto/x509v3/tab_test.c
diff --git a/crypto/x509v3/v3nametest.c b/crypto/x509v3/v3name_test.c
similarity index 100%
rename from crypto/x509v3/v3nametest.c
rename to crypto/x509v3/v3name_test.c