updated LibPd to version 0.12.3

Makefile

@@ -210,21 +210,21 @@ OBJECTS += $(libpd)
 DEPS += $(libpd)
 FLAGS += -Idep/include/libpd -DHAVE_LIBDL
 
+$(libpd):
+	cd dep && git clone "https://github.com/libpd/libpd.git" --recursive
+	cd dep/libpd && git checkout 5772a612527f06597d44d195843307ad0e3578fe
+
 ifdef ARCH_WIN
 	# PD_INTERNAL leaves the function declarations for libpd unchanged
 	# not specifying that flag would enable the  "EXTERN __declspec(dllexport) extern" macro
 	# which throws a linker error. I guess this macro should only be used for the windows
 	# specific .dll dynamic linking format.
 	# The corresponding #define resides in "m_pd.h" inside th Pure Data sources
-	FLAGS += -DPD_INTERNAL
+	FLAGS += -DPD_INTERNAL -Ofast
 	LDFLAGS += -Wl,--export-all-symbols
 	LDFLAGS += -lws2_32
 endif
 
-$(libpd):
-	cd dep && git clone "https://github.com/libpd/libpd.git" --recursive
-	cd dep/libpd && git checkout 551f7512e8f934ea8e2a20af9467581a5825b9cd
-
 ifdef ARCH_MAC
 	# libpd's Makefile is handmade, and it doesn't honor CFLAGS and LDFLAGS environments.
 	# So in order for Mac 10.15 (for example) to make a build that works on Mac 10.7+, we have to manually add DEP_MAC_SDK_FLAGS to CFLAGS and LDFLAGS.

src/LibPDEngine.cpp

@@ -149,7 +149,7 @@ struct LibPDEngine : ScriptEngine {
 		for (int s = 0; s < _pd_block_size; s++) {
 			for (int r = 0; r < rows; r++) {
 				block->outputs[r][s] = _output[s * rows + r]; // scale up again to +-5V signal
-				// there is a correction multilpier, because libpd's output is too quiet(?)
+				// there is a correction multiplier, because libpd's output is too quiet(?)
 			}
 		}