LibC: Always inline the printf character helpers

Libraries/LibC/stdio.cpp

@@ -390,13 +390,13 @@ int dbgprintf(const char* fmt, ...)
     return ret;
 }
 
-static void stdout_putch(char*&, char ch)
+[[gnu::always_inline]] inline void stdout_putch(char*&, char ch)
 {
     putchar(ch);
 }
 
 static FILE* __current_stream = nullptr;
-static void stream_putch(char*&, char ch)
+[[gnu::always_inline]] inline static void stream_putch(char*&, char ch)
 {
     fputc(ch, __current_stream);
 }
@@ -452,7 +452,7 @@ int sprintf(char* buffer, const char* fmt, ...)
 }
 
 static size_t __vsnprintf_space_remaining;
-static void sized_buffer_putch(char*& bufptr, char ch)
+[[gnu::always_inline]] inline void sized_buffer_putch(char*& bufptr, char ch)
 {
     if (__vsnprintf_space_remaining) {
         *bufptr++ = ch;