Add fallthrough warning for switch cases explicitly to CFLAGS
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		@@ -60,7 +60,7 @@ LFLAGS += -Tstm32f407vet6_flash.ld -Wl,-Map=$(mapfile).map
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CFLAGS = -c -fmessage-length=0 -mlittle-endian -mthumb -mcpu=cortex-m4 -mthumb-interwork
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					CFLAGS = -c -fmessage-length=0 -mlittle-endian -mthumb -mcpu=cortex-m4 -mthumb-interwork
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CFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16 -nostartfiles -O0 -g
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					CFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16 -nostartfiles -O0 -g
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CFLAGS += -Wall -Wextra -Wold-style-declaration -Wuninitialized -Wmaybe-uninitialized -Wunused-parameter
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					CFLAGS += -Wall -Wextra -Wold-style-declaration -Wuninitialized -Wmaybe-uninitialized -Wunused-parameter -Wimplicit-fallthrough=3 -Wsign-compare
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####################################################################################
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					####################################################################################
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OBJ = $(CFILES:%.c=$(OBJDIR)/%.c.o)
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					OBJ = $(CFILES:%.c=$(OBJDIR)/%.c.o)
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@@ -138,7 +138,7 @@ static shellmatta_retCode_t shell_cmd_pt1000_res(const shellmatta_handle_t   han
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		temp_prefix = "<";
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							temp_prefix = "<";
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		break;
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							break;
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	case 0:
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						case 0:
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		/* Expected fallthrough */
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							/* FALLTHRU */
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	default:
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						default:
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		temp_prefix = "";
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							temp_prefix = "";
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		break;
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							break;
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