Fix include guards for SPV -> SPIRV

Bug: tint:3
Change-Id: I34a7c8e7dd0116968d2614441b3bcb81d7e5c4e7
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/17202
Reviewed-by: dan sinclair <dsinclair@google.com>
diff --git a/src/reader/spirv/fail_stream.h b/src/reader/spirv/fail_stream.h
index 8045f92..eaa6f21 100644
--- a/src/reader/spirv/fail_stream.h
+++ b/src/reader/spirv/fail_stream.h
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef SRC_READER_SPV_FAIL_STREAM_H_
-#define SRC_READER_SPV_FAIL_STREAM_H_
+#ifndef SRC_READER_SPIRV_FAIL_STREAM_H_
+#define SRC_READER_SPIRV_FAIL_STREAM_H_
 
 #include <ostream>
 
@@ -71,4 +71,4 @@
 }  // namespace reader
 }  // namespace tint
 
-#endif  // SRC_READER_SPV_FAIL_STREAM_H_
+#endif  // SRC_READER_SPIRV_FAIL_STREAM_H_
diff --git a/src/reader/spirv/parser.h b/src/reader/spirv/parser.h
index 61eee80..0ace60c 100644
--- a/src/reader/spirv/parser.h
+++ b/src/reader/spirv/parser.h
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef SRC_READER_SPV_PARSER_H_
-#define SRC_READER_SPV_PARSER_H_
+#ifndef SRC_READER_SPIRV_PARSER_H_
+#define SRC_READER_SPIRV_PARSER_H_
 
 #include <cstdint>
 #include <memory>
@@ -51,4 +51,4 @@
 }  // namespace reader
 }  // namespace tint
 
-#endif  // SRC_READER_SPV_PARSER_H_
+#endif  // SRC_READER_SPIRV_PARSER_H_
diff --git a/src/reader/spirv/parser_impl.h b/src/reader/spirv/parser_impl.h
index 00549da..480c427 100644
--- a/src/reader/spirv/parser_impl.h
+++ b/src/reader/spirv/parser_impl.h
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef SRC_READER_SPV_PARSER_IMPL_H_
-#define SRC_READER_SPV_PARSER_IMPL_H_
+#ifndef SRC_READER_SPIRV_PARSER_IMPL_H_
+#define SRC_READER_SPIRV_PARSER_IMPL_H_
 
 #include <cstdint>
 #include <memory>
@@ -134,4 +134,4 @@
 }  // namespace reader
 }  // namespace tint
 
-#endif  // SRC_READER_SPV_PARSER_IMPL_H_
+#endif  // SRC_READER_SPIRV_PARSER_IMPL_H_
diff --git a/src/reader/spirv/spirv_tools_helpers_test.h b/src/reader/spirv/spirv_tools_helpers_test.h
index 91cb081..d6db2a1 100644
--- a/src/reader/spirv/spirv_tools_helpers_test.h
+++ b/src/reader/spirv/spirv_tools_helpers_test.h
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef SRC_READER_SPV_SPIRV_TOOLS_HELPERS_TEST_H_
-#define SRC_READER_SPV_SPIRV_TOOLS_HELPERS_TEST_H_
+#ifndef SRC_READER_SPIRV_SPIRV_TOOLS_HELPERS_TEST_H_
+#define SRC_READER_SPIRV_SPIRV_TOOLS_HELPERS_TEST_H_
 
 #include <cstdint>
 #include <string>
@@ -33,4 +33,4 @@
 }  // namespace reader
 }  // namespace tint
 
-#endif  // SRC_READER_SPV_SPIRV_TOOLS_HELPERS_TEST_H_
+#endif  // SRC_READER_SPIRV_SPIRV_TOOLS_HELPERS_TEST_H_