use cmake from $PATH (mysql)

ThirdParty/mysql/Makefile

@@ -51,7 +51,7 @@ build:
 	$(MAC_TARGET) CFLAGS="-g -O3 $(PLAT_CFLAGS)" CXXFLAGS="-g -O3 $(PLAT_CXX_FLAGS) -felide-constructors -fno-exceptions -fno-rtti" \
 	$(LDFLAGS) \
 	CPPFLAGS="-I$(ZIMBRA_HOME)/openssl-$(OPENSSL_VERSION)/include" \
-	/usr/bin/cmake . -DCMAKE_SKIP_BUILD_RPATH=FALSE -DCMAKE_BUILD_WITH_INSTALL_RPATH=FALSE \
+	cmake . -DCMAKE_SKIP_BUILD_RPATH=FALSE -DCMAKE_BUILD_WITH_INSTALL_RPATH=FALSE \
 			 -DCMAKE_INSTALL_RPATH="$(ZIMBRA_HOME)/openssl-$(OPENSSL_VERSION)/lib" \
 			 -DCMAKE_PREFIX_PATH=$(ZIMBRA_HOME)/openssl-$(OPENSSL_VERSION):$(NCURSES_PREFIX) \
 			 -DCMAKE_C_FLAGS="-I$(NCURSES_PREFIX)/include" \