Change makefile to avoid "else ifeq". Some versions of "make" don't accept it.

git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@171 d46cf337-b52f-0410-862d-fd96e6ae7743

src/Makefile

@@ -32,13 +32,15 @@ ifeq ($(AUDIO),pulseaudio)
 WAVE=wave_pulse.cpp
 LIB_AUDIO=-lpulse
 USE_AUDIO=-DUSE_PULSEAUDIO
-else ifeq ($(AUDIO),portaudio)
+else
+ifeq ($(AUDIO),portaudio)
 WAVE=wave.cpp
 LIB_AUDIO=-lportaudio
 USE_AUDIO=-DUSE_PORTAUDIO
 else
 WAVE=wave.cpp
 endif
+endif
 
 speak_SOURCES = speak.cpp compiledict.cpp dictionary.cpp intonation.cpp \
 	readclause.cpp setlengths.cpp numbers.cpp synth_mbrola.cpp \