don't include final hyphen in PLATFORM_PREFIX

Author: kristjanvalur

Makefile

@@ -12,10 +12,10 @@ CXXFLAGS += $(NO_CET)
 
 OLDCC := $(CC)
 ifdef PLATFORM_PREFIX
-CC = $(PLATFORM_PREFIX)gcc
-CXX = $(PLATFORM_PREFIX)g++
-LD = $(PLATFORM_PREFIX)ld
-AR = $(PLATFORM_PREFIX)ar
+CC = $(PLATFORM_PREFIX)-gcc
+CXX = $(PLATFORM_PREFIX)-g++
+LD = $(PLATFORM_PREFIX)-ld
+AR = $(PLATFORM_PREFIX)-ar
 endif
 # run c preprocessor with any cflags to get cross compilation result, then run regular compile in native
 ABI := $(shell ./abiname.sh "$(CC)" "$(CFLAGS)")