Use older version of glibc on Linux

src/main.cpp

@@ -86,6 +86,12 @@ void fixCwd() {
 #endif
 
 
+#ifdef ARCH_LIN
+// Tell Linux linker to request older version of glibc
+__asm__(".symver realpath,realpath@GLIBC_2.2.5");
+#endif
+
+
 using namespace rack;
 
 int main() {