Revert "removing redundant function modifiers"

This reverts commit 39536dbb93.

Source/Readers/Kaldi2Reader/htkfeatio_utils.h

@@ -49,23 +49,23 @@ struct MatchPathSeparator
     }
 };
 
-std::string basename(std::string const &pathname)
+inline std::string basename(std::string const &pathname)
 {
     return std::string(std::find_if(pathname.rbegin(), pathname.rend(), MatchPathSeparator()).base(), pathname.end());
 }
 
-std::wstring basename(std::wstring const &pathname)
+static inline std::wstring basename(std::wstring const &pathname)
 {
     return std::wstring(std::find_if(pathname.rbegin(), pathname.rend(), MatchPathSeparator()).base(), pathname.end());
 }
 
-std::string removeExtension(std::string const &filename)
+inline std::string removeExtension(std::string const &filename)
 {
     size_t lastindex = filename.find_first_of(".");
     return filename.substr(0, lastindex);
 }
 
-std::wstring removeExtension(std::wstring const &filename)
+inline std::wstring removeExtension(std::wstring const &filename)
 {
     size_t lastindex = filename.find_first_of(L".");
     return filename.substr(0, lastindex);