Fix build when using SWIFTSHADER_DISABLE_TRACE

- Avoid defining the logging helpers, since the compiler otherwise
  complains about unused functions.
- Ensure that braces are matched up.

Change-Id: I9c9418aa46a07c468e1e3ff15866ecd4075c8c4b
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/73228
Reviewed-by: Geoff Lang <geofflang@google.com>
Commit-Queue: Geoff Lang <geofflang@google.com>
Reviewed-by: Shahbaz Youssefi <syoussefi@google.com>
Kokoro-Result: kokoro <noreply+kokoro@google.com>
Tested-by: Shahbaz Youssefi <syoussefi@google.com>
diff --git a/src/Reactor/Debug.cpp b/src/Reactor/Debug.cpp
index 031524d..cdb1afc 100644
--- a/src/Reactor/Debug.cpp
+++ b/src/Reactor/Debug.cpp
@@ -106,7 +106,7 @@
 };
 
 #ifdef __ANDROID__
-void logv_android(Level level, const char *msg)
+[[maybe_unused]] void logv_android(Level level, const char *msg)
 {
 	switch(level)
 	{
@@ -128,7 +128,7 @@
 	}
 }
 #else
-void logv_std(Level level, const char *msg)
+[[maybe_unused]] void logv_std(Level level, const char *msg)
 {
 	switch(level)
 	{
diff --git a/src/System/Debug.cpp b/src/System/Debug.cpp
index ce86d1c..2b5eb63 100644
--- a/src/System/Debug.cpp
+++ b/src/System/Debug.cpp
@@ -56,7 +56,7 @@
 };
 
 #ifdef __ANDROID__
-void logv_android(Level level, const char *msg)
+[[maybe_unused]] void logv_android(Level level, const char *msg)
 {
 	switch(level)
 	{
@@ -80,7 +80,7 @@
 	}
 }
 #else
-void logv_std(Level level, const char *msg)
+[[maybe_unused]] void logv_std(Level level, const char *msg)
 {
 	switch(level)
 	{
@@ -127,8 +127,8 @@
 			vfprintf(file, format, args);
 			fclose(file);
 		}
-	}
 #endif  // SWIFTSHADER_DISABLE_TRACE
+	}
 }
 
 }  // anonymous namespace