Warning fixes

Utilities/File.h

@@ -74,7 +74,7 @@ namespace fs
 
 		using enable_bitcopy = std::true_type;
 
-		constexpr bool operator==(const stat_t&) const = default; 
+		constexpr bool operator==(const stat_t&) const = default;
 	};
 
 	// Helper, layout is equal to iovec struct
@@ -793,7 +793,8 @@ namespace fs
 
 			if (write)
 			{
-				m_stat.mtime = std::max(m_stat.atime, ++m_stat.mtime);
+				m_stat.mtime++;
+				m_stat.mtime = std::max(m_stat.atime, m_stat.mtime);
 				m_stat.ctime = m_stat.mtime;
 			}
 		}

Utilities/Thread.cpp

@@ -16,7 +16,9 @@
 #include <process.h>
 #include <sysinfoapi.h>
 #else
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
 #ifdef __APPLE__
 #define _XOPEN_SOURCE
 #define __USE_GNU

Utilities/version.cpp

@@ -30,7 +30,8 @@ namespace utils
 
 		if (lo())
 		{
-			version += "." + std::to_string(lo());
+			version += '.';
+			version += std::to_string(lo());
 		}
 
 		if (type() != version_type::release)
@@ -40,7 +41,8 @@ namespace utils
 				version += "-" + postfix();
 			}
 
-			version += " " + utils::to_string(type());
+			version += ' ';
+			version += utils::to_string(type());
 
 			if (type_index() > 1)
 			{