Remove '-Wmissing-prototypes' from extra warnings list

- we still have '-Wmissing-declarations', which allows
   void func() instead of void func(void).

src/CMakeLists.txt

@@ -335,8 +335,8 @@ ADD_EXECUTABLE(lighttpd
 SET(L_INSTALL_TARGETS ${L_INSTALL_TARGETS} lighttpd)
 
 IF(BUILD_EXTRA_WARNINGS)
-	SET(WARN_FLAGS "-g -O2 -g2 -Wall -Wmissing-prototypes -Wmissing-declarations -Wdeclaration-after-statement -Wno-pointer-sign -Wcast-align -Winline -Wsign-compare -Wnested-externs -Wpointer-arith -Wl,--as-needed")
-	# -Werror -Wbad-function-cast
+	SET(WARN_FLAGS "-g -O2 -g2 -Wall -Wmissing-declarations -Wdeclaration-after-statement -Wno-pointer-sign -Wcast-align -Winline -Wsign-compare -Wnested-externs -Wpointer-arith -Wl,--as-needed")
+	# -Werror -Wbad-function-cast -Wmissing-prototypes
 ELSE(BUILD_EXTRA_WARNINGS)
 	SET(WARN_FLAGS "")
 ENDIF(BUILD_EXTRA_WARNINGS)

wscript

@@ -54,9 +54,9 @@ def configure(conf):
 
 	if opts.extra_warnings:
 		conf.env['CCFLAGS'] += [
-			'-g', '-g2', '-Wall', '-Wmissing-prototypes', '-Wmissing-declarations',
+			'-g', '-g2', '-Wall', '-Wmissing-declarations',
 		 	'-Wdeclaration-after-statement', '-Wno-pointer-sign', '-Wcast-align', '-Winline', '-Wsign-compare',
-			'-Wnested-externs', '-Wpointer-arith'#, '-Werror', '-Wbad-function-cast'
+			'-Wnested-externs', '-Wpointer-arith'#, '-Werror', '-Wbad-function-cast', '-Wmissing-prototypes'
 		]
 		conf.env['LDFLAGS'] += [
 			'-g', '-g2', '-Wall', '-Wmissing-prototypes', '-Wmissing-declarations',